Home / 242,397.08-363,612.20-82,407.88

Finding the Fourth Proportional to 242,397.08, 363,612.20 and 82,407.88

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Solution

The fourth proportional to 242,397.08, 363,612.20 and 82,407.88 is: 123,617.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,397.08 : 363,612.20 = 82,407.88 : x
  2. Step 2: Convert to fraction form
    242,397.08/363,612.20 = 82,407.88/x
  3. Step 3: Cross multiply
    242,397.08x = 363,612.20 × 82,407.88
  4. Step 4: Simplify right side
    242,397.08x = 29,964,510,544.14
  5. Step 5: Solve for x
    x = 29,964,510,544.14/242,397.08
  6. Step 6: Final answer
    x = 123,617.46

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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.