Home / 861,371.52-1,291,958.87-230,334.54

Finding the Fourth Proportional to 861,371.52, 1,291,958.87 and 230,334.54

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Solution

The fourth proportional to 861,371.52, 1,291,958.87 and 230,334.54 is: 345,475.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,371.52 : 1,291,958.87 = 230,334.54 : x
  2. Step 2: Convert to fraction form
    861,371.52/1,291,958.87 = 230,334.54/x
  3. Step 3: Cross multiply
    861,371.52x = 1,291,958.87 × 230,334.54
  4. Step 4: Simplify right side
    861,371.52x = 297,582,750,868.70
  5. Step 5: Solve for x
    x = 297,582,750,868.70/861,371.52
  6. Step 6: Final answer
    x = 345,475.49

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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.