Home / 445,140.60-667,710.90-267,556.20

Finding the Fourth Proportional to 445,140.60, 667,710.90 and 267,556.20

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Solution

The fourth proportional to 445,140.60, 667,710.90 and 267,556.20 is: 401,334.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,140.60 : 667,710.90 = 267,556.20 : x
  2. Step 2: Convert to fraction form
    445,140.60/667,710.90 = 267,556.20/x
  3. Step 3: Cross multiply
    445,140.60x = 667,710.90 × 267,556.20
  4. Step 4: Simplify right side
    445,140.60x = 178,650,191,102.58
  5. Step 5: Solve for x
    x = 178,650,191,102.58/445,140.60
  6. Step 6: Final answer
    x = 401,334.30

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1.5x scale

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.