Home / 321,264.08-443,354.12-178,010.64

Finding the Fourth Proportional to 321,264.08, 443,354.12 and 178,010.64

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Solution

The fourth proportional to 321,264.08, 443,354.12 and 178,010.64 is: 245,660.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,264.08 : 443,354.12 = 178,010.64 : x
  2. Step 2: Convert to fraction form
    321,264.08/443,354.12 = 178,010.64/x
  3. Step 3: Cross multiply
    321,264.08x = 443,354.12 × 178,010.64
  4. Step 4: Simplify right side
    321,264.08x = 78,921,750,647.84
  5. Step 5: Solve for x
    x = 78,921,750,647.84/321,264.08
  6. Step 6: Final answer
    x = 245,660.05

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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.