Home / 247,356.20-371,180.10-163,359.20

Finding the Fourth Proportional to 247,356.20, 371,180.10 and 163,359.20

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Solution

The fourth proportional to 247,356.20, 371,180.10 and 163,359.20 is: 245,135.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,356.20 : 371,180.10 = 163,359.20 : x
  2. Step 2: Convert to fraction form
    247,356.20/371,180.10 = 163,359.20/x
  3. Step 3: Cross multiply
    247,356.20x = 371,180.10 × 163,359.20
  4. Step 4: Simplify right side
    247,356.20x = 60,635,684,191.92
  5. Step 5: Solve for x
    x = 60,635,684,191.92/247,356.20
  6. Step 6: Final answer
    x = 245,135.09

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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.