Home / 284,214.43-392,218.65-156,887.29

Finding the Fourth Proportional to 284,214.43, 392,218.65 and 156,887.29

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Solution

The fourth proportional to 284,214.43, 392,218.65 and 156,887.29 is: 216,505.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,214.43 : 392,218.65 = 156,887.29 : x
  2. Step 2: Convert to fraction form
    284,214.43/392,218.65 = 156,887.29/x
  3. Step 3: Cross multiply
    284,214.43x = 392,218.65 × 156,887.29
  4. Step 4: Simplify right side
    284,214.43x = 61,534,121,085.96
  5. Step 5: Solve for x
    x = 61,534,121,085.96/284,214.43
  6. Step 6: Final answer
    x = 216,505.97

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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.