Home / 389,110.50-582,910.47-255,585.60

Finding the Fourth Proportional to 389,110.50, 582,910.47 and 255,585.60

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Solution

The fourth proportional to 389,110.50, 582,910.47 and 255,585.60 is: 382,882.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,110.50 : 582,910.47 = 255,585.60 : x
  2. Step 2: Convert to fraction form
    389,110.50/582,910.47 = 255,585.60/x
  3. Step 3: Cross multiply
    389,110.50x = 582,910.47 × 255,585.60
  4. Step 4: Simplify right side
    389,110.50x = 148,983,522,221.23
  5. Step 5: Solve for x
    x = 148,983,522,221.23/389,110.50
  6. Step 6: Final answer
    x = 382,882.30

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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.