Home / 268,490.20-402,714.22-156,098.75

Finding the Fourth Proportional to 268,490.20, 402,714.22 and 156,098.75

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Solution

The fourth proportional to 268,490.20, 402,714.22 and 156,098.75 is: 234,135.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,490.20 : 402,714.22 = 156,098.75 : x
  2. Step 2: Convert to fraction form
    268,490.20/402,714.22 = 156,098.75/x
  3. Step 3: Cross multiply
    268,490.20x = 402,714.22 × 156,098.75
  4. Step 4: Simplify right side
    268,490.20x = 62,863,186,349.23
  5. Step 5: Solve for x
    x = 62,863,186,349.23/268,490.20
  6. Step 6: Final answer
    x = 234,135.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.