Home / 439,831.44-659,759.40-155,481.78

Finding the Fourth Proportional to 439,831.44, 659,759.40 and 155,481.78

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Solution

The fourth proportional to 439,831.44, 659,759.40 and 155,481.78 is: 233,227.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,831.44 : 659,759.40 = 155,481.78 : x
  2. Step 2: Convert to fraction form
    439,831.44/659,759.40 = 155,481.78/x
  3. Step 3: Cross multiply
    439,831.44x = 659,759.40 × 155,481.78
  4. Step 4: Simplify right side
    439,831.44x = 102,580,565,883.73
  5. Step 5: Solve for x
    x = 102,580,565,883.73/439,831.44
  6. Step 6: Final answer
    x = 233,227.00

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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.