Home / 247,716.20-371,574.30-129,618.20

Finding the Fourth Proportional to 247,716.20, 371,574.30 and 129,618.20

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Solution

The fourth proportional to 247,716.20, 371,574.30 and 129,618.20 is: 194,427.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,716.20 : 371,574.30 = 129,618.20 : x
  2. Step 2: Convert to fraction form
    247,716.20/371,574.30 = 129,618.20/x
  3. Step 3: Cross multiply
    247,716.20x = 371,574.30 × 129,618.20
  4. Step 4: Simplify right side
    247,716.20x = 48,162,791,932.26
  5. Step 5: Solve for x
    x = 48,162,791,932.26/247,716.20
  6. Step 6: Final answer
    x = 194,427.30

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1.5x scale

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.