Home / 436,240.16-602,018.40-240,014.96

Finding the Fourth Proportional to 436,240.16, 602,018.40 and 240,014.96

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Solution

The fourth proportional to 436,240.16, 602,018.40 and 240,014.96 is: 331,224.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,240.16 : 602,018.40 = 240,014.96 : x
  2. Step 2: Convert to fraction form
    436,240.16/602,018.40 = 240,014.96/x
  3. Step 3: Cross multiply
    436,240.16x = 602,018.40 × 240,014.96
  4. Step 4: Simplify right side
    436,240.16x = 144,493,422,195.26
  5. Step 5: Solve for x
    x = 144,493,422,195.26/436,240.16
  6. Step 6: Final answer
    x = 331,224.48

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.