Home / 321,252.31-443,328.18-178,012.35

Finding the Fourth Proportional to 321,252.31, 443,328.18 and 178,012.35

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Solution

The fourth proportional to 321,252.31, 443,328.18 and 178,012.35 is: 245,657.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,252.31 : 443,328.18 = 178,012.35 : x
  2. Step 2: Convert to fraction form
    321,252.31/443,328.18 = 178,012.35/x
  3. Step 3: Cross multiply
    321,252.31x = 443,328.18 × 178,012.35
  4. Step 4: Simplify right side
    321,252.31x = 78,917,891,810.57
  5. Step 5: Solve for x
    x = 78,917,891,810.57/321,252.31
  6. Step 6: Final answer
    x = 245,657.04

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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.