Home / 438,766.25-658,149.38-106,342.25

Finding the Fourth Proportional to 438,766.25, 658,149.38 and 106,342.25

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Solution

The fourth proportional to 438,766.25, 658,149.38 and 106,342.25 is: 159,513.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,766.25 : 658,149.38 = 106,342.25 : x
  2. Step 2: Convert to fraction form
    438,766.25/658,149.38 = 106,342.25/x
  3. Step 3: Cross multiply
    438,766.25x = 658,149.38 × 106,342.25
  4. Step 4: Simplify right side
    438,766.25x = 69,989,085,905.31
  5. Step 5: Solve for x
    x = 69,989,085,905.31/438,766.25
  6. Step 6: Final answer
    x = 159,513.38

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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.