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Finding the Fourth Proportional to 359,151.44, 495,630.24 and 198,002.96

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Solution

The fourth proportional to 359,151.44, 495,630.24 and 198,002.96 is: 273,244.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,151.44 : 495,630.24 = 198,002.96 : x
  2. Step 2: Convert to fraction form
    359,151.44/495,630.24 = 198,002.96/x
  3. Step 3: Cross multiply
    359,151.44x = 495,630.24 × 198,002.96
  4. Step 4: Simplify right side
    359,151.44x = 98,136,254,585.51
  5. Step 5: Solve for x
    x = 98,136,254,585.51/359,151.44
  6. Step 6: Final answer
    x = 273,244.78

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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.