Home / 861,134.88-1,291,600.80-230,097.36

Finding the Fourth Proportional to 861,134.88, 1,291,600.80 and 230,097.36

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Solution

The fourth proportional to 861,134.88, 1,291,600.80 and 230,097.36 is: 345,118.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,134.88 : 1,291,600.80 = 230,097.36 : x
  2. Step 2: Convert to fraction form
    861,134.88/1,291,600.80 = 230,097.36/x
  3. Step 3: Cross multiply
    861,134.88x = 1,291,600.80 × 230,097.36
  4. Step 4: Simplify right side
    861,134.88x = 297,193,934,253.89
  5. Step 5: Solve for x
    x = 297,193,934,253.89/861,134.88
  6. Step 6: Final answer
    x = 345,118.91

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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.