Home / 387,629.11-582,318.46-229,961.35

Finding the Fourth Proportional to 387,629.11, 582,318.46 and 229,961.35

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Solution

The fourth proportional to 387,629.11, 582,318.46 and 229,961.35 is: 345,461.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,629.11 : 582,318.46 = 229,961.35 : x
  2. Step 2: Convert to fraction form
    387,629.11/582,318.46 = 229,961.35/x
  3. Step 3: Cross multiply
    387,629.11x = 582,318.46 × 229,961.35
  4. Step 4: Simplify right side
    387,629.11x = 133,910,738,023.18
  5. Step 5: Solve for x
    x = 133,910,738,023.18/387,629.11
  6. Step 6: Final answer
    x = 345,461.00

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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.