Home / 284,212.28-392,213.02-156,887.96

Finding the Fourth Proportional to 284,212.28, 392,213.02 and 156,887.96

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Solution

The fourth proportional to 284,212.28, 392,213.02 and 156,887.96 is: 216,505.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,212.28 : 392,213.02 = 156,887.96 : x
  2. Step 2: Convert to fraction form
    284,212.28/392,213.02 = 156,887.96/x
  3. Step 3: Cross multiply
    284,212.28x = 392,213.02 × 156,887.96
  4. Step 4: Simplify right side
    284,212.28x = 61,533,500,593.24
  5. Step 5: Solve for x
    x = 61,533,500,593.24/284,212.28
  6. Step 6: Final answer
    x = 216,505.43

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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.