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Finding the Fourth Proportional to 359,540.98, 495,979.71 and 291,634.63

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Solution

The fourth proportional to 359,540.98, 495,979.71 and 291,634.63 is: 402,304.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,540.98 : 495,979.71 = 291,634.63 : x
  2. Step 2: Convert to fraction form
    359,540.98/495,979.71 = 291,634.63/x
  3. Step 3: Cross multiply
    359,540.98x = 495,979.71 × 291,634.63
  4. Step 4: Simplify right side
    359,540.98x = 144,644,856,879.78
  5. Step 5: Solve for x
    x = 144,644,856,879.78/359,540.98
  6. Step 6: Final answer
    x = 402,304.23

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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.