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Finding the Fourth Proportional to 326,279.46, 450,268.72 and 183,042.57

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Solution

The fourth proportional to 326,279.46, 450,268.72 and 183,042.57 is: 252,600.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,279.46 : 450,268.72 = 183,042.57 : x
  2. Step 2: Convert to fraction form
    326,279.46/450,268.72 = 183,042.57/x
  3. Step 3: Cross multiply
    326,279.46x = 450,268.72 × 183,042.57
  4. Step 4: Simplify right side
    326,279.46x = 82,418,345,702.52
  5. Step 5: Solve for x
    x = 82,418,345,702.52/326,279.46
  6. Step 6: Final answer
    x = 252,600.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.