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Finding the Fourth Proportional to 359,136.72, 495,612 and 197,997.44

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Solution

The fourth proportional to 359,136.72, 495,612 and 197,997.44 is: 273,238.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,136.72 : 495,612 = 197,997.44 : x
  2. Step 2: Convert to fraction form
    359,136.72/495,612 = 197,997.44/x
  3. Step 3: Cross multiply
    359,136.72x = 495,612 × 197,997.44
  4. Step 4: Simplify right side
    359,136.72x = 98,129,907,233.28
  5. Step 5: Solve for x
    x = 98,129,907,233.28/359,136.72
  6. Step 6: Final answer
    x = 273,238.30

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1.5x scale

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.