Home / 439,712.40-659,787.30-173,481.60

Finding the Fourth Proportional to 439,712.40, 659,787.30 and 173,481.60

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Solution

The fourth proportional to 439,712.40, 659,787.30 and 173,481.60 is: 260,308.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,712.40 : 659,787.30 = 173,481.60 : x
  2. Step 2: Convert to fraction form
    439,712.40/659,787.30 = 173,481.60/x
  3. Step 3: Cross multiply
    439,712.40x = 659,787.30 × 173,481.60
  4. Step 4: Simplify right side
    439,712.40x = 114,460,956,463.68
  5. Step 5: Solve for x
    x = 114,460,956,463.68/439,712.40
  6. Step 6: Final answer
    x = 260,308.68

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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.