Home / 861,189.92-1,291,850.80-262,202.16

Finding the Fourth Proportional to 861,189.92, 1,291,850.80 and 262,202.16

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Solution

The fourth proportional to 861,189.92, 1,291,850.80 and 262,202.16 is: 393,323.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,189.92 : 1,291,850.80 = 262,202.16 : x
  2. Step 2: Convert to fraction form
    861,189.92/1,291,850.80 = 262,202.16/x
  3. Step 3: Cross multiply
    861,189.92x = 1,291,850.80 × 262,202.16
  4. Step 4: Simplify right side
    861,189.92x = 338,726,070,157.73
  5. Step 5: Solve for x
    x = 338,726,070,157.73/861,189.92
  6. Step 6: Final answer
    x = 393,323.31

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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.