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Finding the Fourth Proportional to 223,862.70, 335,794.05 and 153,003.90

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Solution

The fourth proportional to 223,862.70, 335,794.05 and 153,003.90 is: 229,505.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,862.70 : 335,794.05 = 153,003.90 : x
  2. Step 2: Convert to fraction form
    223,862.70/335,794.05 = 153,003.90/x
  3. Step 3: Cross multiply
    223,862.70x = 335,794.05 × 153,003.90
  4. Step 4: Simplify right side
    223,862.70x = 51,377,799,246.80
  5. Step 5: Solve for x
    x = 51,377,799,246.80/223,862.70
  6. Step 6: Final answer
    x = 229,505.85

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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.