Home / 495,499.43-743,089.20-140,418.11

Finding the Fourth Proportional to 495,499.43, 743,089.20 and 140,418.11

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Solution

The fourth proportional to 495,499.43, 743,089.20 and 140,418.11 is: 210,581.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,499.43 : 743,089.20 = 140,418.11 : x
  2. Step 2: Convert to fraction form
    495,499.43/743,089.20 = 140,418.11/x
  3. Step 3: Cross multiply
    495,499.43x = 743,089.20 × 140,418.11
  4. Step 4: Simplify right side
    495,499.43x = 104,343,177,309.97
  5. Step 5: Solve for x
    x = 104,343,177,309.97/495,499.43
  6. Step 6: Final answer
    x = 210,581.83

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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.