Home / 350,961.03-526,543.61-126,317.43

Finding the Fourth Proportional to 350,961.03, 526,543.61 and 126,317.43

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Solution

The fourth proportional to 350,961.03, 526,543.61 and 126,317.43 is: 189,512.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,961.03 : 526,543.61 = 126,317.43 : x
  2. Step 2: Convert to fraction form
    350,961.03/526,543.61 = 126,317.43/x
  3. Step 3: Cross multiply
    350,961.03x = 526,543.61 × 126,317.43
  4. Step 4: Simplify right side
    350,961.03x = 66,511,634,966.54
  5. Step 5: Solve for x
    x = 66,511,634,966.54/350,961.03
  6. Step 6: Final answer
    x = 189,512.88

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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.