Home / 266,331.70-398,979.15-160,837.30

Finding the Fourth Proportional to 266,331.70, 398,979.15 and 160,837.30

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Solution

The fourth proportional to 266,331.70, 398,979.15 and 160,837.30 is: 240,942.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,331.70 : 398,979.15 = 160,837.30 : x
  2. Step 2: Convert to fraction form
    266,331.70/398,979.15 = 160,837.30/x
  3. Step 3: Cross multiply
    266,331.70x = 398,979.15 × 160,837.30
  4. Step 4: Simplify right side
    266,331.70x = 64,170,729,242.30
  5. Step 5: Solve for x
    x = 64,170,729,242.30/266,331.70
  6. Step 6: Final answer
    x = 240,942.89

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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.