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Finding the Fourth Proportional to 359,148.97, 495,610.65 and 195,801.94

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Solution

The fourth proportional to 359,148.97, 495,610.65 and 195,801.94 is: 270,198.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,148.97 : 495,610.65 = 195,801.94 : x
  2. Step 2: Convert to fraction form
    359,148.97/495,610.65 = 195,801.94/x
  3. Step 3: Cross multiply
    359,148.97x = 495,610.65 × 195,801.94
  4. Step 4: Simplify right side
    359,148.97x = 97,041,526,754.66
  5. Step 5: Solve for x
    x = 97,041,526,754.66/359,148.97
  6. Step 6: Final answer
    x = 270,198.54

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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.