Home / 266,337.80-367,543.68-145,479.04

Finding the Fourth Proportional to 266,337.80, 367,543.68 and 145,479.04

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Solution

The fourth proportional to 266,337.80, 367,543.68 and 145,479.04 is: 200,759.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,337.80 : 367,543.68 = 145,479.04 : x
  2. Step 2: Convert to fraction form
    266,337.80/367,543.68 = 145,479.04/x
  3. Step 3: Cross multiply
    266,337.80x = 367,543.68 × 145,479.04
  4. Step 4: Simplify right side
    266,337.80x = 53,469,901,724.47
  5. Step 5: Solve for x
    x = 53,469,901,724.47/266,337.80
  6. Step 6: Final answer
    x = 200,759.72

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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.