Home / 321,270.24-443,341.78-178,043.61

Finding the Fourth Proportional to 321,270.24, 443,341.78 and 178,043.61

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Solution

The fourth proportional to 321,270.24, 443,341.78 and 178,043.61 is: 245,694.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,270.24 : 443,341.78 = 178,043.61 : x
  2. Step 2: Convert to fraction form
    321,270.24/443,341.78 = 178,043.61/x
  3. Step 3: Cross multiply
    321,270.24x = 443,341.78 × 178,043.61
  4. Step 4: Simplify right side
    321,270.24x = 78,934,170,529.92
  5. Step 5: Solve for x
    x = 78,934,170,529.92/321,270.24
  6. Step 6: Final answer
    x = 245,694.00

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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.