Home / 438,917.25-658,376.19-106,493.25

Finding the Fourth Proportional to 438,917.25, 658,376.19 and 106,493.25

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Solution

The fourth proportional to 438,917.25, 658,376.19 and 106,493.25 is: 159,739.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,917.25 : 658,376.19 = 106,493.25 : x
  2. Step 2: Convert to fraction form
    438,917.25/658,376.19 = 106,493.25/x
  3. Step 3: Cross multiply
    438,917.25x = 658,376.19 × 106,493.25
  4. Step 4: Simplify right side
    438,917.25x = 70,112,620,195.72
  5. Step 5: Solve for x
    x = 70,112,620,195.72/438,917.25
  6. Step 6: Final answer
    x = 159,739.95

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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.