Home / 266,887.10-400,104.56-117,013.82

Finding the Fourth Proportional to 266,887.10, 400,104.56 and 117,013.82

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Solution

The fourth proportional to 266,887.10, 400,104.56 and 117,013.82 is: 175,421.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,887.10 : 400,104.56 = 117,013.82 : x
  2. Step 2: Convert to fraction form
    266,887.10/400,104.56 = 117,013.82/x
  3. Step 3: Cross multiply
    266,887.10x = 400,104.56 × 117,013.82
  4. Step 4: Simplify right side
    266,887.10x = 46,817,761,257.03
  5. Step 5: Solve for x
    x = 46,817,761,257.03/266,887.10
  6. Step 6: Final answer
    x = 175,421.60

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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.