Home / 325,939.38-488,626.51-126,122.28

Finding the Fourth Proportional to 325,939.38, 488,626.51 and 126,122.28

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Solution

The fourth proportional to 325,939.38, 488,626.51 and 126,122.28 is: 189,074.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,939.38 : 488,626.51 = 126,122.28 : x
  2. Step 2: Convert to fraction form
    325,939.38/488,626.51 = 126,122.28/x
  3. Step 3: Cross multiply
    325,939.38x = 488,626.51 × 126,122.28
  4. Step 4: Simplify right side
    325,939.38x = 61,626,689,509.64
  5. Step 5: Solve for x
    x = 61,626,689,509.64/325,939.38
  6. Step 6: Final answer
    x = 189,074.08

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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.