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Finding the Fourth Proportional to 502,250.40, 753,375.60 and 278,301.60

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Solution

The fourth proportional to 502,250.40, 753,375.60 and 278,301.60 is: 417,452.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,250.40 : 753,375.60 = 278,301.60 : x
  2. Step 2: Convert to fraction form
    502,250.40/753,375.60 = 278,301.60/x
  3. Step 3: Cross multiply
    502,250.40x = 753,375.60 × 278,301.60
  4. Step 4: Simplify right side
    502,250.40x = 209,665,634,880.96
  5. Step 5: Solve for x
    x = 209,665,634,880.96/502,250.40
  6. Step 6: Final answer
    x = 417,452.40

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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.