Home / 266,229.18-367,404.86-145,376.78

Finding the Fourth Proportional to 266,229.18, 367,404.86 and 145,376.78

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Solution

The fourth proportional to 266,229.18, 367,404.86 and 145,376.78 is: 200,624.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,229.18 : 367,404.86 = 145,376.78 : x
  2. Step 2: Convert to fraction form
    266,229.18/367,404.86 = 145,376.78/x
  3. Step 3: Cross multiply
    266,229.18x = 367,404.86 × 145,376.78
  4. Step 4: Simplify right side
    266,229.18x = 53,412,134,029.57
  5. Step 5: Solve for x
    x = 53,412,134,029.57/266,229.18
  6. Step 6: Final answer
    x = 200,624.64

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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.