Home / 266,046.12-398,767.86-88,511.40

Finding the Fourth Proportional to 266,046.12, 398,767.86 and 88,511.40

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Solution

The fourth proportional to 266,046.12, 398,767.86 and 88,511.40 is: 132,666.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,046.12 : 398,767.86 = 88,511.40 : x
  2. Step 2: Convert to fraction form
    266,046.12/398,767.86 = 88,511.40/x
  3. Step 3: Cross multiply
    266,046.12x = 398,767.86 × 88,511.40
  4. Step 4: Simplify right side
    266,046.12x = 35,295,501,563.60
  5. Step 5: Solve for x
    x = 35,295,501,563.60/266,046.12
  6. Step 6: Final answer
    x = 132,666.85

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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.