Home / 247,738.10-371,621.28-70,231.16

Finding the Fourth Proportional to 247,738.10, 371,621.28 and 70,231.16

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Solution

The fourth proportional to 247,738.10, 371,621.28 and 70,231.16 is: 105,350.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,738.10 : 371,621.28 = 70,231.16 : x
  2. Step 2: Convert to fraction form
    247,738.10/371,621.28 = 70,231.16/x
  3. Step 3: Cross multiply
    247,738.10x = 371,621.28 × 70,231.16
  4. Step 4: Simplify right side
    247,738.10x = 26,099,391,716.98
  5. Step 5: Solve for x
    x = 26,099,391,716.98/247,738.10
  6. Step 6: Final answer
    x = 105,350.74

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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.