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Finding the Fourth Proportional to 323,179.74, 445,760.01 and 280,081.26

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Solution

The fourth proportional to 323,179.74, 445,760.01 and 280,081.26 is: 386,314.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,179.74 : 445,760.01 = 280,081.26 : x
  2. Step 2: Convert to fraction form
    323,179.74/445,760.01 = 280,081.26/x
  3. Step 3: Cross multiply
    323,179.74x = 445,760.01 × 280,081.26
  4. Step 4: Simplify right side
    323,179.74x = 124,849,025,258.41
  5. Step 5: Solve for x
    x = 124,849,025,258.41/323,179.74
  6. Step 6: Final answer
    x = 386,314.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.