Home / 495,808.62-743,652.96-136,008.76

Finding the Fourth Proportional to 495,808.62, 743,652.96 and 136,008.76

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Solution

The fourth proportional to 495,808.62, 743,652.96 and 136,008.76 is: 203,996.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,808.62 : 743,652.96 = 136,008.76 : x
  2. Step 2: Convert to fraction form
    495,808.62/743,652.96 = 136,008.76/x
  3. Step 3: Cross multiply
    495,808.62x = 743,652.96 × 136,008.76
  4. Step 4: Simplify right side
    495,808.62x = 101,143,317,387.95
  5. Step 5: Solve for x
    x = 101,143,317,387.95/495,808.62
  6. Step 6: Final answer
    x = 203,996.69

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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.