Home / 321,274.08-443,360.88-178,036.56

Finding the Fourth Proportional to 321,274.08, 443,360.88 and 178,036.56

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Solution

The fourth proportional to 321,274.08, 443,360.88 and 178,036.56 is: 245,691.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,274.08 : 443,360.88 = 178,036.56 : x
  2. Step 2: Convert to fraction form
    321,274.08/443,360.88 = 178,036.56/x
  3. Step 3: Cross multiply
    321,274.08x = 443,360.88 × 178,036.56
  4. Step 4: Simplify right side
    321,274.08x = 78,934,445,913.77
  5. Step 5: Solve for x
    x = 78,934,445,913.77/321,274.08
  6. Step 6: Final answer
    x = 245,691.92

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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.