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Finding the Fourth Proportional to 324,148.88, 485,975.46 and 267,811.76

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Solution

The fourth proportional to 324,148.88, 485,975.46 and 267,811.76 is: 401,512.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,148.88 : 485,975.46 = 267,811.76 : x
  2. Step 2: Convert to fraction form
    324,148.88/485,975.46 = 267,811.76/x
  3. Step 3: Cross multiply
    324,148.88x = 485,975.46 × 267,811.76
  4. Step 4: Simplify right side
    324,148.88x = 130,149,943,259.41
  5. Step 5: Solve for x
    x = 130,149,943,259.41/324,148.88
  6. Step 6: Final answer
    x = 401,512.86

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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.