Home / 325,938.38-488,625.01-126,121.28

Finding the Fourth Proportional to 325,938.38, 488,625.01 and 126,121.28

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Solution

The fourth proportional to 325,938.38, 488,625.01 and 126,121.28 is: 189,072.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,938.38 : 488,625.01 = 126,121.28 : x
  2. Step 2: Convert to fraction form
    325,938.38/488,625.01 = 126,121.28/x
  3. Step 3: Cross multiply
    325,938.38x = 488,625.01 × 126,121.28
  4. Step 4: Simplify right side
    325,938.38x = 61,626,008,942.78
  5. Step 5: Solve for x
    x = 61,626,008,942.78/325,938.38
  6. Step 6: Final answer
    x = 189,072.58

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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.