Home / 321,721.30-444,028.50-178,527.46

Finding the Fourth Proportional to 321,721.30, 444,028.50 and 178,527.46

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Solution

The fourth proportional to 321,721.30, 444,028.50 and 178,527.46 is: 246,397.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,721.30 : 444,028.50 = 178,527.46 : x
  2. Step 2: Convert to fraction form
    321,721.30/444,028.50 = 178,527.46/x
  3. Step 3: Cross multiply
    321,721.30x = 444,028.50 × 178,527.46
  4. Step 4: Simplify right side
    321,721.30x = 79,271,280,272.61
  5. Step 5: Solve for x
    x = 79,271,280,272.61/321,721.30
  6. Step 6: Final answer
    x = 246,397.36

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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.