Home / 389,974.73-584,588.40-165,025.72

Finding the Fourth Proportional to 389,974.73, 584,588.40 and 165,025.72

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Solution

The fourth proportional to 389,974.73, 584,588.40 and 165,025.72 is: 247,380.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,974.73 : 584,588.40 = 165,025.72 : x
  2. Step 2: Convert to fraction form
    389,974.73/584,588.40 = 165,025.72/x
  3. Step 3: Cross multiply
    389,974.73x = 584,588.40 × 165,025.72
  4. Step 4: Simplify right side
    389,974.73x = 96,472,121,613.65
  5. Step 5: Solve for x
    x = 96,472,121,613.65/389,974.73
  6. Step 6: Final answer
    x = 247,380.44

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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.