Home / 445,318.20-668,146.50-267,947.64

Finding the Fourth Proportional to 445,318.20, 668,146.50 and 267,947.64

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Solution

The fourth proportional to 445,318.20, 668,146.50 and 267,947.64 is: 402,023.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,318.20 : 668,146.50 = 267,947.64 : x
  2. Step 2: Convert to fraction form
    445,318.20/668,146.50 = 267,947.64/x
  3. Step 3: Cross multiply
    445,318.20x = 668,146.50 × 267,947.64
  4. Step 4: Simplify right side
    445,318.20x = 179,028,277,849.26
  5. Step 5: Solve for x
    x = 179,028,277,849.26/445,318.20
  6. Step 6: Final answer
    x = 402,023.27

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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.