Home / 389,964.18-584,944.71-123,745.44

Finding the Fourth Proportional to 389,964.18, 584,944.71 and 123,745.44

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Solution

The fourth proportional to 389,964.18, 584,944.71 and 123,745.44 is: 185,617.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,964.18 : 584,944.71 = 123,745.44 : x
  2. Step 2: Convert to fraction form
    389,964.18/584,944.71 = 123,745.44/x
  3. Step 3: Cross multiply
    389,964.18x = 584,944.71 × 123,745.44
  4. Step 4: Simplify right side
    389,964.18x = 72,384,240,514.62
  5. Step 5: Solve for x
    x = 72,384,240,514.62/389,964.18
  6. Step 6: Final answer
    x = 185,617.66

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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.