Home / 247,811.40-371,508.12-107,464.32

Finding the Fourth Proportional to 247,811.40, 371,508.12 and 107,464.32

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Solution

The fourth proportional to 247,811.40, 371,508.12 and 107,464.32 is: 161,105.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,811.40 : 371,508.12 = 107,464.32 : x
  2. Step 2: Convert to fraction form
    247,811.40/371,508.12 = 107,464.32/x
  3. Step 3: Cross multiply
    247,811.40x = 371,508.12 × 107,464.32
  4. Step 4: Simplify right side
    247,811.40x = 39,923,867,490.28
  5. Step 5: Solve for x
    x = 39,923,867,490.28/247,811.40
  6. Step 6: Final answer
    x = 161,105.86

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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.