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Finding the Fourth Proportional to 359,234.80, 495,747.56 and 198,096.24

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Solution

The fourth proportional to 359,234.80, 495,747.56 and 198,096.24 is: 273,374.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,234.80 : 495,747.56 = 198,096.24 : x
  2. Step 2: Convert to fraction form
    359,234.80/495,747.56 = 198,096.24/x
  3. Step 3: Cross multiply
    359,234.80x = 495,747.56 × 198,096.24
  4. Step 4: Simplify right side
    359,234.80x = 98,205,727,625.17
  5. Step 5: Solve for x
    x = 98,205,727,625.17/359,234.80
  6. Step 6: Final answer
    x = 273,374.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.