Home / 266,423.43-399,624.17-148,019.25

Finding the Fourth Proportional to 266,423.43, 399,624.17 and 148,019.25

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Solution

The fourth proportional to 266,423.43, 399,624.17 and 148,019.25 is: 222,022.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,423.43 : 399,624.17 = 148,019.25 : x
  2. Step 2: Convert to fraction form
    266,423.43/399,624.17 = 148,019.25/x
  3. Step 3: Cross multiply
    266,423.43x = 399,624.17 × 148,019.25
  4. Step 4: Simplify right side
    266,423.43x = 59,152,069,185.18
  5. Step 5: Solve for x
    x = 59,152,069,185.18/266,423.43
  6. Step 6: Final answer
    x = 222,022.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.