Home / 404,512.40-606,938.70-217,305.20

Finding the Fourth Proportional to 404,512.40, 606,938.70 and 217,305.20

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Solution

The fourth proportional to 404,512.40, 606,938.70 and 217,305.20 is: 326,049.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,512.40 : 606,938.70 = 217,305.20 : x
  2. Step 2: Convert to fraction form
    404,512.40/606,938.70 = 217,305.20/x
  3. Step 3: Cross multiply
    404,512.40x = 606,938.70 × 217,305.20
  4. Step 4: Simplify right side
    404,512.40x = 131,890,935,591.24
  5. Step 5: Solve for x
    x = 131,890,935,591.24/404,512.40
  6. Step 6: Final answer
    x = 326,049.18

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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.