Home / 389,739.56-584,625.77-123,494.18

Finding the Fourth Proportional to 389,739.56, 584,625.77 and 123,494.18

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Solution

The fourth proportional to 389,739.56, 584,625.77 and 123,494.18 is: 185,246.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,739.56 : 584,625.77 = 123,494.18 : x
  2. Step 2: Convert to fraction form
    389,739.56/584,625.77 = 123,494.18/x
  3. Step 3: Cross multiply
    389,739.56x = 584,625.77 × 123,494.18
  4. Step 4: Simplify right side
    389,739.56x = 72,197,876,532.42
  5. Step 5: Solve for x
    x = 72,197,876,532.42/389,739.56
  6. Step 6: Final answer
    x = 185,246.47

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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.