Home / 442,207.60-663,246.59-217,507.72

Finding the Fourth Proportional to 442,207.60, 663,246.59 and 217,507.72

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Solution

The fourth proportional to 442,207.60, 663,246.59 and 217,507.72 is: 326,229.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,207.60 : 663,246.59 = 217,507.72 : x
  2. Step 2: Convert to fraction form
    442,207.60/663,246.59 = 217,507.72/x
  3. Step 3: Cross multiply
    442,207.60x = 663,246.59 × 217,507.72
  4. Step 4: Simplify right side
    442,207.60x = 144,261,250,272.44
  5. Step 5: Solve for x
    x = 144,261,250,272.44/442,207.60
  6. Step 6: Final answer
    x = 326,229.70

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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.