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Finding the Fourth Proportional to 359,086.08, 495,535.46 and 195,742.56

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Solution

The fourth proportional to 359,086.08, 495,535.46 and 195,742.56 is: 270,122.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,086.08 : 495,535.46 = 195,742.56 : x
  2. Step 2: Convert to fraction form
    359,086.08/495,535.46 = 195,742.56/x
  3. Step 3: Cross multiply
    359,086.08x = 495,535.46 × 195,742.56
  4. Step 4: Simplify right side
    359,086.08x = 96,997,379,511.18
  5. Step 5: Solve for x
    x = 96,997,379,511.18/359,086.08
  6. Step 6: Final answer
    x = 270,122.92

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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.