Home / 374,085.28-516,240.36-204,319.36

Finding the Fourth Proportional to 374,085.28, 516,240.36 and 204,319.36

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Solution

The fourth proportional to 374,085.28, 516,240.36 and 204,319.36 is: 281,962.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,085.28 : 516,240.36 = 204,319.36 : x
  2. Step 2: Convert to fraction form
    374,085.28/516,240.36 = 204,319.36/x
  3. Step 3: Cross multiply
    374,085.28x = 516,240.36 × 204,319.36
  4. Step 4: Simplify right side
    374,085.28x = 105,477,899,961.37
  5. Step 5: Solve for x
    x = 105,477,899,961.37/374,085.28
  6. Step 6: Final answer
    x = 281,962.18

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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.