Home / 382,128.20-526,425.48-267,191.76

Finding the Fourth Proportional to 382,128.20, 526,425.48 and 267,191.76

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Solution

The fourth proportional to 382,128.20, 526,425.48 and 267,191.76 is: 368,087.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,128.20 : 526,425.48 = 267,191.76 : x
  2. Step 2: Convert to fraction form
    382,128.20/526,425.48 = 267,191.76/x
  3. Step 3: Cross multiply
    382,128.20x = 526,425.48 × 267,191.76
  4. Step 4: Simplify right side
    382,128.20x = 140,656,550,510.05
  5. Step 5: Solve for x
    x = 140,656,550,510.05/382,128.20
  6. Step 6: Final answer
    x = 368,087.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.