Home / 247,400.88-371,212.04-142,219.85

Finding the Fourth Proportional to 247,400.88, 371,212.04 and 142,219.85

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Solution

The fourth proportional to 247,400.88, 371,212.04 and 142,219.85 is: 213,393.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,400.88 : 371,212.04 = 142,219.85 : x
  2. Step 2: Convert to fraction form
    247,400.88/371,212.04 = 142,219.85/x
  3. Step 3: Cross multiply
    247,400.88x = 371,212.04 × 142,219.85
  4. Step 4: Simplify right side
    247,400.88x = 52,793,720,834.56
  5. Step 5: Solve for x
    x = 52,793,720,834.56/247,400.88
  6. Step 6: Final answer
    x = 213,393.42

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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.