Home / 247,716.18-371,479.17-105,471.27

Finding the Fourth Proportional to 247,716.18, 371,479.17 and 105,471.27

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Solution

The fourth proportional to 247,716.18, 371,479.17 and 105,471.27 is: 158,166.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,716.18 : 371,479.17 = 105,471.27 : x
  2. Step 2: Convert to fraction form
    247,716.18/371,479.17 = 105,471.27/x
  3. Step 3: Cross multiply
    247,716.18x = 371,479.17 × 105,471.27
  4. Step 4: Simplify right side
    247,716.18x = 39,180,379,838.45
  5. Step 5: Solve for x
    x = 39,180,379,838.45/247,716.18
  6. Step 6: Final answer
    x = 158,166.41

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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.