Home / 321,576.15-443,753.06-178,322.79

Finding the Fourth Proportional to 321,576.15, 443,753.06 and 178,322.79

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Solution

The fourth proportional to 321,576.15, 443,753.06 and 178,322.79 is: 246,073.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,576.15 : 443,753.06 = 178,322.79 : x
  2. Step 2: Convert to fraction form
    321,576.15/443,753.06 = 178,322.79/x
  3. Step 3: Cross multiply
    321,576.15x = 443,753.06 × 178,322.79
  4. Step 4: Simplify right side
    321,576.15x = 79,131,282,838.62
  5. Step 5: Solve for x
    x = 79,131,282,838.62/321,576.15
  6. Step 6: Final answer
    x = 246,073.23

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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.