Home / 284,245.02-392,255.60-156,917.88

Finding the Fourth Proportional to 284,245.02, 392,255.60 and 156,917.88

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Solution

The fourth proportional to 284,245.02, 392,255.60 and 156,917.88 is: 216,545.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,245.02 : 392,255.60 = 156,917.88 : x
  2. Step 2: Convert to fraction form
    284,245.02/392,255.60 = 156,917.88/x
  3. Step 3: Cross multiply
    284,245.02x = 392,255.60 × 156,917.88
  4. Step 4: Simplify right side
    284,245.02x = 61,551,917,170.13
  5. Step 5: Solve for x
    x = 61,551,917,170.13/284,245.02
  6. Step 6: Final answer
    x = 216,545.28

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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.