Home / 321,414.08-443,521.58-178,161.93

Finding the Fourth Proportional to 321,414.08, 443,521.58 and 178,161.93

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Solution

The fourth proportional to 321,414.08, 443,521.58 and 178,161.93 is: 245,846.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,414.08 : 443,521.58 = 178,161.93 : x
  2. Step 2: Convert to fraction form
    321,414.08/443,521.58 = 178,161.93/x
  3. Step 3: Cross multiply
    321,414.08x = 443,521.58 × 178,161.93
  4. Step 4: Simplify right side
    321,414.08x = 79,018,659,798.64
  5. Step 5: Solve for x
    x = 79,018,659,798.64/321,414.08
  6. Step 6: Final answer
    x = 245,846.92

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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.