Home / 284,158.55-392,132.81-155,092.75

Finding the Fourth Proportional to 284,158.55, 392,132.81 and 155,092.75

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Solution

The fourth proportional to 284,158.55, 392,132.81 and 155,092.75 is: 214,024.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,158.55 : 392,132.81 = 155,092.75 : x
  2. Step 2: Convert to fraction form
    284,158.55/392,132.81 = 155,092.75/x
  3. Step 3: Cross multiply
    284,158.55x = 392,132.81 × 155,092.75
  4. Step 4: Simplify right side
    284,158.55x = 60,816,955,275.53
  5. Step 5: Solve for x
    x = 60,816,955,275.53/284,158.55
  6. Step 6: Final answer
    x = 214,024.72

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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.