Home / 266,233.18-367,410.38-145,380.78

Finding the Fourth Proportional to 266,233.18, 367,410.38 and 145,380.78

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Solution

The fourth proportional to 266,233.18, 367,410.38 and 145,380.78 is: 200,630.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,233.18 : 367,410.38 = 145,380.78 : x
  2. Step 2: Convert to fraction form
    266,233.18/367,410.38 = 145,380.78/x
  3. Step 3: Cross multiply
    266,233.18x = 367,410.38 × 145,380.78
  4. Step 4: Simplify right side
    266,233.18x = 53,414,407,624.50
  5. Step 5: Solve for x
    x = 53,414,407,624.50/266,233.18
  6. Step 6: Final answer
    x = 200,630.17

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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.