Home / 447,275.40-670,891.20-166,770.72

Finding the Fourth Proportional to 447,275.40, 670,891.20 and 166,770.72

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Solution

The fourth proportional to 447,275.40, 670,891.20 and 166,770.72 is: 250,147.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,275.40 : 670,891.20 = 166,770.72 : x
  2. Step 2: Convert to fraction form
    447,275.40/670,891.20 = 166,770.72/x
  3. Step 3: Cross multiply
    447,275.40x = 670,891.20 × 166,770.72
  4. Step 4: Simplify right side
    447,275.40x = 111,885,008,465.66
  5. Step 5: Solve for x
    x = 111,885,008,465.66/447,275.40
  6. Step 6: Final answer
    x = 250,147.91

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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.