Home / 447,179.80-670,538.88-131,595.76

Finding the Fourth Proportional to 447,179.80, 670,538.88 and 131,595.76

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Solution

The fourth proportional to 447,179.80, 670,538.88 and 131,595.76 is: 197,325.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,179.80 : 670,538.88 = 131,595.76 : x
  2. Step 2: Convert to fraction form
    447,179.80/670,538.88 = 131,595.76/x
  3. Step 3: Cross multiply
    447,179.80x = 670,538.88 × 131,595.76
  4. Step 4: Simplify right side
    447,179.80x = 88,240,073,523.15
  5. Step 5: Solve for x
    x = 88,240,073,523.15/447,179.80
  6. Step 6: Final answer
    x = 197,325.71

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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.