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Finding the Fourth Proportional to 359,265.92, 495,748.80 and 198,110.40

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Solution

The fourth proportional to 359,265.92, 495,748.80 and 198,110.40 is: 273,371.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,265.92 : 495,748.80 = 198,110.40 : x
  2. Step 2: Convert to fraction form
    359,265.92/495,748.80 = 198,110.40/x
  3. Step 3: Cross multiply
    359,265.92x = 495,748.80 × 198,110.40
  4. Step 4: Simplify right side
    359,265.92x = 98,212,993,067.52
  5. Step 5: Solve for x
    x = 98,212,993,067.52/359,265.92
  6. Step 6: Final answer
    x = 273,371.30

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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.