Home / 495,395.60-743,092.04-140,412.70

Finding the Fourth Proportional to 495,395.60, 743,092.04 and 140,412.70

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Solution

The fourth proportional to 495,395.60, 743,092.04 and 140,412.70 is: 210,618.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,395.60 : 743,092.04 = 140,412.70 : x
  2. Step 2: Convert to fraction form
    495,395.60/743,092.04 = 140,412.70/x
  3. Step 3: Cross multiply
    495,395.60x = 743,092.04 × 140,412.70
  4. Step 4: Simplify right side
    495,395.60x = 104,339,555,267.38
  5. Step 5: Solve for x
    x = 104,339,555,267.38/495,395.60
  6. Step 6: Final answer
    x = 210,618.66

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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.