Home / 326,941.20-490,425.39-102,305.97

Finding the Fourth Proportional to 326,941.20, 490,425.39 and 102,305.97

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Solution

The fourth proportional to 326,941.20, 490,425.39 and 102,305.97 is: 153,463.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,941.20 : 490,425.39 = 102,305.97 : x
  2. Step 2: Convert to fraction form
    326,941.20/490,425.39 = 102,305.97/x
  3. Step 3: Cross multiply
    326,941.20x = 490,425.39 × 102,305.97
  4. Step 4: Simplify right side
    326,941.20x = 50,173,445,236.58
  5. Step 5: Solve for x
    x = 50,173,445,236.58/326,941.20
  6. Step 6: Final answer
    x = 153,463.21

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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.