Home / 445,144.20-668,234.70-267,851.40

Finding the Fourth Proportional to 445,144.20, 668,234.70 and 267,851.40

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Solution

The fourth proportional to 445,144.20, 668,234.70 and 267,851.40 is: 402,089.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,144.20 : 668,234.70 = 267,851.40 : x
  2. Step 2: Convert to fraction form
    445,144.20/668,234.70 = 267,851.40/x
  3. Step 3: Cross multiply
    445,144.20x = 668,234.70 × 267,851.40
  4. Step 4: Simplify right side
    445,144.20x = 178,987,599,923.58
  5. Step 5: Solve for x
    x = 178,987,599,923.58/445,144.20
  6. Step 6: Final answer
    x = 402,089.03

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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.