Home / 284,285.02-392,310.68-156,961.52

Finding the Fourth Proportional to 284,285.02, 392,310.68 and 156,961.52

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Solution

The fourth proportional to 284,285.02, 392,310.68 and 156,961.52 is: 216,605.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,285.02 : 392,310.68 = 156,961.52 : x
  2. Step 2: Convert to fraction form
    284,285.02/392,310.68 = 156,961.52/x
  3. Step 3: Cross multiply
    284,285.02x = 392,310.68 × 156,961.52
  4. Step 4: Simplify right side
    284,285.02x = 61,577,680,645.03
  5. Step 5: Solve for x
    x = 61,577,680,645.03/284,285.02
  6. Step 6: Final answer
    x = 216,605.44

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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.