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Finding the Fourth Proportional to 359,380.32, 495,972.68 and 198,249.45

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Solution

The fourth proportional to 359,380.32, 495,972.68 and 198,249.45 is: 273,599.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,380.32 : 495,972.68 = 198,249.45 : x
  2. Step 2: Convert to fraction form
    359,380.32/495,972.68 = 198,249.45/x
  3. Step 3: Cross multiply
    359,380.32x = 495,972.68 × 198,249.45
  4. Step 4: Simplify right side
    359,380.32x = 98,326,309,040.79
  5. Step 5: Solve for x
    x = 98,326,309,040.79/359,380.32
  6. Step 6: Final answer
    x = 273,599.60

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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.