Home / 438,759.38-658,139.07-106,335.38

Finding the Fourth Proportional to 438,759.38, 658,139.07 and 106,335.38

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Solution

The fourth proportional to 438,759.38, 658,139.07 and 106,335.38 is: 159,503.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,759.38 : 658,139.07 = 106,335.38 : x
  2. Step 2: Convert to fraction form
    438,759.38/658,139.07 = 106,335.38/x
  3. Step 3: Cross multiply
    438,759.38x = 658,139.07 × 106,335.38
  4. Step 4: Simplify right side
    438,759.38x = 69,983,464,810.60
  5. Step 5: Solve for x
    x = 69,983,464,810.60/438,759.38
  6. Step 6: Final answer
    x = 159,503.06

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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.