Home / 247,377.43-371,116.57-105,222.43

Finding the Fourth Proportional to 247,377.43, 371,116.57 and 105,222.43

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Solution

The fourth proportional to 247,377.43, 371,116.57 and 105,222.43 is: 157,855.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,377.43 : 371,116.57 = 105,222.43 : x
  2. Step 2: Convert to fraction form
    247,377.43/371,116.57 = 105,222.43/x
  3. Step 3: Cross multiply
    247,377.43x = 371,116.57 × 105,222.43
  4. Step 4: Simplify right side
    247,377.43x = 39,049,787,308.67
  5. Step 5: Solve for x
    x = 39,049,787,308.67/247,377.43
  6. Step 6: Final answer
    x = 157,855.09

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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.