Home / 247,517.28-371,336.40-79,037.64

Finding the Fourth Proportional to 247,517.28, 371,336.40 and 79,037.64

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Solution

The fourth proportional to 247,517.28, 371,336.40 and 79,037.64 is: 118,575.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,517.28 : 371,336.40 = 79,037.64 : x
  2. Step 2: Convert to fraction form
    247,517.28/371,336.40 = 79,037.64/x
  3. Step 3: Cross multiply
    247,517.28x = 371,336.40 × 79,037.64
  4. Step 4: Simplify right side
    247,517.28x = 29,349,552,702.10
  5. Step 5: Solve for x
    x = 29,349,552,702.10/247,517.28
  6. Step 6: Final answer
    x = 118,575.77

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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.