Home / 284,133.26-392,092.44-156,807.20

Finding the Fourth Proportional to 284,133.26, 392,092.44 and 156,807.20

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Solution

The fourth proportional to 284,133.26, 392,092.44 and 156,807.20 is: 216,387.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,133.26 : 392,092.44 = 156,807.20 : x
  2. Step 2: Convert to fraction form
    284,133.26/392,092.44 = 156,807.20/x
  3. Step 3: Cross multiply
    284,133.26x = 392,092.44 × 156,807.20
  4. Step 4: Simplify right side
    284,133.26x = 61,482,917,657.57
  5. Step 5: Solve for x
    x = 61,482,917,657.57/284,133.26
  6. Step 6: Final answer
    x = 216,387.61

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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.