Home / 409,845.60-614,112.30-269,440.20

Finding the Fourth Proportional to 409,845.60, 614,112.30 and 269,440.20

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Solution

The fourth proportional to 409,845.60, 614,112.30 and 269,440.20 is: 403,728.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,845.60 : 614,112.30 = 269,440.20 : x
  2. Step 2: Convert to fraction form
    409,845.60/614,112.30 = 269,440.20/x
  3. Step 3: Cross multiply
    409,845.60x = 614,112.30 × 269,440.20
  4. Step 4: Simplify right side
    409,845.60x = 165,466,540,934.46
  5. Step 5: Solve for x
    x = 165,466,540,934.46/409,845.60
  6. Step 6: Final answer
    x = 403,728.97

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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.