Home / 321,274.14-443,360.79-178,036.50

Finding the Fourth Proportional to 321,274.14, 443,360.79 and 178,036.50

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Solution

The fourth proportional to 321,274.14, 443,360.79 and 178,036.50 is: 245,691.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,274.14 : 443,360.79 = 178,036.50 : x
  2. Step 2: Convert to fraction form
    321,274.14/443,360.79 = 178,036.50/x
  3. Step 3: Cross multiply
    321,274.14x = 443,360.79 × 178,036.50
  4. Step 4: Simplify right side
    321,274.14x = 78,934,403,288.84
  5. Step 5: Solve for x
    x = 78,934,403,288.84/321,274.14
  6. Step 6: Final answer
    x = 245,691.74

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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.