Home / 217,664.46-326,374.17-75,443.10

Finding the Fourth Proportional to 217,664.46, 326,374.17 and 75,443.10

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Solution

The fourth proportional to 217,664.46, 326,374.17 and 75,443.10 is: 113,122.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,664.46 : 326,374.17 = 75,443.10 : x
  2. Step 2: Convert to fraction form
    217,664.46/326,374.17 = 75,443.10/x
  3. Step 3: Cross multiply
    217,664.46x = 326,374.17 × 75,443.10
  4. Step 4: Simplify right side
    217,664.46x = 24,622,679,144.73
  5. Step 5: Solve for x
    x = 24,622,679,144.73/217,664.46
  6. Step 6: Final answer
    x = 113,122.18

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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.