Home / 321,756.12-444,076.43-178,562.29

Finding the Fourth Proportional to 321,756.12, 444,076.43 and 178,562.29

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Solution

The fourth proportional to 321,756.12, 444,076.43 and 178,562.29 is: 246,445.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,756.12 : 444,076.43 = 178,562.29 : x
  2. Step 2: Convert to fraction form
    321,756.12/444,076.43 = 178,562.29/x
  3. Step 3: Cross multiply
    321,756.12x = 444,076.43 × 178,562.29
  4. Step 4: Simplify right side
    321,756.12x = 79,295,304,275.82
  5. Step 5: Solve for x
    x = 79,295,304,275.82/321,756.12
  6. Step 6: Final answer
    x = 246,445.36

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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.