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Finding the Fourth Proportional to 359,153.91, 495,654.72 and 198,008.73

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Solution

The fourth proportional to 359,153.91, 495,654.72 and 198,008.73 is: 273,264.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,153.91 : 495,654.72 = 198,008.73 : x
  2. Step 2: Convert to fraction form
    359,153.91/495,654.72 = 198,008.73/x
  3. Step 3: Cross multiply
    359,153.91x = 495,654.72 × 198,008.73
  4. Step 4: Simplify right side
    359,153.91x = 98,143,961,625.71
  5. Step 5: Solve for x
    x = 98,143,961,625.71/359,153.91
  6. Step 6: Final answer
    x = 273,264.36

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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.