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Finding the Fourth Proportional to 359,257.32, 495,772.10 and 198,119.08

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Solution

The fourth proportional to 359,257.32, 495,772.10 and 198,119.08 is: 273,402.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,257.32 : 495,772.10 = 198,119.08 : x
  2. Step 2: Convert to fraction form
    359,257.32/495,772.10 = 198,119.08/x
  3. Step 3: Cross multiply
    359,257.32x = 495,772.10 × 198,119.08
  4. Step 4: Simplify right side
    359,257.32x = 98,221,912,341.67
  5. Step 5: Solve for x
    x = 98,221,912,341.67/359,257.32
  6. Step 6: Final answer
    x = 273,402.68

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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.