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Finding the Fourth Proportional to 359,135.56, 495,610.52 and 197,996.52

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Solution

The fourth proportional to 359,135.56, 495,610.52 and 197,996.52 is: 273,237.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,135.56 : 495,610.52 = 197,996.52 : x
  2. Step 2: Convert to fraction form
    359,135.56/495,610.52 = 197,996.52/x
  3. Step 3: Cross multiply
    359,135.56x = 495,610.52 × 197,996.52
  4. Step 4: Simplify right side
    359,135.56x = 98,129,158,235.39
  5. Step 5: Solve for x
    x = 98,129,158,235.39/359,135.56
  6. Step 6: Final answer
    x = 273,237.10

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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.