Home / 284,727.24-392,943.42-157,414.68

Finding the Fourth Proportional to 284,727.24, 392,943.42 and 157,414.68

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Solution

The fourth proportional to 284,727.24, 392,943.42 and 157,414.68 is: 217,243.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,727.24 : 392,943.42 = 157,414.68 : x
  2. Step 2: Convert to fraction form
    284,727.24/392,943.42 = 157,414.68/x
  3. Step 3: Cross multiply
    284,727.24x = 392,943.42 × 157,414.68
  4. Step 4: Simplify right side
    284,727.24x = 61,855,062,717.41
  5. Step 5: Solve for x
    x = 61,855,062,717.41/284,727.24
  6. Step 6: Final answer
    x = 217,243.22

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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.