Home / 861,352.58-1,291,930.46-230,315.60

Finding the Fourth Proportional to 861,352.58, 1,291,930.46 and 230,315.60

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Solution

The fourth proportional to 861,352.58, 1,291,930.46 and 230,315.60 is: 345,447.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,352.58 : 1,291,930.46 = 230,315.60 : x
  2. Step 2: Convert to fraction form
    861,352.58/1,291,930.46 = 230,315.60/x
  3. Step 3: Cross multiply
    861,352.58x = 1,291,930.46 × 230,315.60
  4. Step 4: Simplify right side
    861,352.58x = 297,551,741,995.11
  5. Step 5: Solve for x
    x = 297,551,741,995.11/861,352.58
  6. Step 6: Final answer
    x = 345,447.09

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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.