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Finding the Fourth Proportional to 550,423.92, 825,709.32 and 217,922.16

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Solution

The fourth proportional to 550,423.92, 825,709.32 and 217,922.16 is: 326,912.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,423.92 : 825,709.32 = 217,922.16 : x
  2. Step 2: Convert to fraction form
    550,423.92/825,709.32 = 217,922.16/x
  3. Step 3: Cross multiply
    550,423.92x = 825,709.32 × 217,922.16
  4. Step 4: Simplify right side
    550,423.92x = 179,940,358,546.53
  5. Step 5: Solve for x
    x = 179,940,358,546.53/550,423.92
  6. Step 6: Final answer
    x = 326,912.32

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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.