Home / 266,230.08-399,420.96-88,853.28

Finding the Fourth Proportional to 266,230.08, 399,420.96 and 88,853.28

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Solution

The fourth proportional to 266,230.08, 399,420.96 and 88,853.28 is: 133,305.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,230.08 : 399,420.96 = 88,853.28 : x
  2. Step 2: Convert to fraction form
    266,230.08/399,420.96 = 88,853.28/x
  3. Step 3: Cross multiply
    266,230.08x = 399,420.96 × 88,853.28
  4. Step 4: Simplify right side
    266,230.08x = 35,489,862,396.75
  5. Step 5: Solve for x
    x = 35,489,862,396.75/266,230.08
  6. Step 6: Final answer
    x = 133,305.23

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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.