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Finding the Fourth Proportional to 247,892.40, 371,401.20 and 203,277.60

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Solution

The fourth proportional to 247,892.40, 371,401.20 and 203,277.60 is: 304,557.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,892.40 : 371,401.20 = 203,277.60 : x
  2. Step 2: Convert to fraction form
    247,892.40/371,401.20 = 203,277.60/x
  3. Step 3: Cross multiply
    247,892.40x = 371,401.20 × 203,277.60
  4. Step 4: Simplify right side
    247,892.40x = 75,497,544,573.12
  5. Step 5: Solve for x
    x = 75,497,544,573.12/247,892.40
  6. Step 6: Final answer
    x = 304,557.72

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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.