Home / 321,721.79-444,029.18-178,527.96

Finding the Fourth Proportional to 321,721.79, 444,029.18 and 178,527.96

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Solution

The fourth proportional to 321,721.79, 444,029.18 and 178,527.96 is: 246,398.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,721.79 : 444,029.18 = 178,527.96 : x
  2. Step 2: Convert to fraction form
    321,721.79/444,029.18 = 178,527.96/x
  3. Step 3: Cross multiply
    321,721.79x = 444,029.18 × 178,527.96
  4. Step 4: Simplify right side
    321,721.79x = 79,271,622,793.23
  5. Step 5: Solve for x
    x = 79,271,622,793.23/321,721.79
  6. Step 6: Final answer
    x = 246,398.06

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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.