Home / 447,451.66-671,240.52-143,743.97

Finding the Fourth Proportional to 447,451.66, 671,240.52 and 143,743.97

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Solution

The fourth proportional to 447,451.66, 671,240.52 and 143,743.97 is: 215,636.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,451.66 : 671,240.52 = 143,743.97 : x
  2. Step 2: Convert to fraction form
    447,451.66/671,240.52 = 143,743.97/x
  3. Step 3: Cross multiply
    447,451.66x = 671,240.52 × 143,743.97
  4. Step 4: Simplify right side
    447,451.66x = 96,486,773,454.10
  5. Step 5: Solve for x
    x = 96,486,773,454.10/447,451.66
  6. Step 6: Final answer
    x = 215,636.20

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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.