Home / 243,497.28-336,240-153,010.08

Finding the Fourth Proportional to 243,497.28, 336,240 and 153,010.08

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Solution

The fourth proportional to 243,497.28, 336,240 and 153,010.08 is: 211,288.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,497.28 : 336,240 = 153,010.08 : x
  2. Step 2: Convert to fraction form
    243,497.28/336,240 = 153,010.08/x
  3. Step 3: Cross multiply
    243,497.28x = 336,240 × 153,010.08
  4. Step 4: Simplify right side
    243,497.28x = 51,448,109,299.20
  5. Step 5: Solve for x
    x = 51,448,109,299.20/243,497.28
  6. Step 6: Final answer
    x = 211,288.23

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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.