Home / 214,948.20-322,470.60-72,785.31

Finding the Fourth Proportional to 214,948.20, 322,470.60 and 72,785.31

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Solution

The fourth proportional to 214,948.20, 322,470.60 and 72,785.31 is: 109,194.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,948.20 : 322,470.60 = 72,785.31 : x
  2. Step 2: Convert to fraction form
    214,948.20/322,470.60 = 72,785.31/x
  3. Step 3: Cross multiply
    214,948.20x = 322,470.60 × 72,785.31
  4. Step 4: Simplify right side
    214,948.20x = 23,471,122,586.89
  5. Step 5: Solve for x
    x = 23,471,122,586.89/214,948.20
  6. Step 6: Final answer
    x = 109,194.32

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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.