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Finding the Fourth Proportional to 247,641.60, 371,414.40 and 70,104.96

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Solution

The fourth proportional to 247,641.60, 371,414.40 and 70,104.96 is: 105,143.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,641.60 : 371,414.40 = 70,104.96 : x
  2. Step 2: Convert to fraction form
    247,641.60/371,414.40 = 70,104.96/x
  3. Step 3: Cross multiply
    247,641.60x = 371,414.40 × 70,104.96
  4. Step 4: Simplify right side
    247,641.60x = 26,037,991,655.42
  5. Step 5: Solve for x
    x = 26,037,991,655.42/247,641.60
  6. Step 6: Final answer
    x = 105,143.85

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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.