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Finding the Fourth Proportional to 326,440.48, 450,495.92 and 183,211.44

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Solution

The fourth proportional to 326,440.48, 450,495.92 and 183,211.44 is: 252,836.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,440.48 : 450,495.92 = 183,211.44 : x
  2. Step 2: Convert to fraction form
    326,440.48/450,495.92 = 183,211.44/x
  3. Step 3: Cross multiply
    326,440.48x = 450,495.92 × 183,211.44
  4. Step 4: Simplify right side
    326,440.48x = 82,536,006,217.32
  5. Step 5: Solve for x
    x = 82,536,006,217.32/326,440.48
  6. Step 6: Final answer
    x = 252,836.31

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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.