Home / 247,729.05-371,520.68-70,251.57

Finding the Fourth Proportional to 247,729.05, 371,520.68 and 70,251.57

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Solution

The fourth proportional to 247,729.05, 371,520.68 and 70,251.57 is: 105,356.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,729.05 : 371,520.68 = 70,251.57 : x
  2. Step 2: Convert to fraction form
    247,729.05/371,520.68 = 70,251.57/x
  3. Step 3: Cross multiply
    247,729.05x = 371,520.68 × 70,251.57
  4. Step 4: Simplify right side
    247,729.05x = 26,099,910,706.21
  5. Step 5: Solve for x
    x = 26,099,910,706.21/247,729.05
  6. Step 6: Final answer
    x = 105,356.68

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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.