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Finding the Fourth Proportional to 351,029.60, 526,544.40 and 267,048.80

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Solution

The fourth proportional to 351,029.60, 526,544.40 and 267,048.80 is: 400,573.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,029.60 : 526,544.40 = 267,048.80 : x
  2. Step 2: Convert to fraction form
    351,029.60/526,544.40 = 267,048.80/x
  3. Step 3: Cross multiply
    351,029.60x = 526,544.40 × 267,048.80
  4. Step 4: Simplify right side
    351,029.60x = 140,613,050,166.72
  5. Step 5: Solve for x
    x = 140,613,050,166.72/351,029.60
  6. Step 6: Final answer
    x = 400,573.20

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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.