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Finding the Fourth Proportional to 503,375.40, 755,326.35 and 203,887.62

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Solution

The fourth proportional to 503,375.40, 755,326.35 and 203,887.62 is: 305,938.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,375.40 : 755,326.35 = 203,887.62 : x
  2. Step 2: Convert to fraction form
    503,375.40/755,326.35 = 203,887.62/x
  3. Step 3: Cross multiply
    503,375.40x = 755,326.35 × 203,887.62
  4. Step 4: Simplify right side
    503,375.40x = 154,001,691,824.79
  5. Step 5: Solve for x
    x = 154,001,691,824.79/503,375.40
  6. Step 6: Final answer
    x = 305,938.06

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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.