Home / 321,789.16-444,047.70-178,540.12

Finding the Fourth Proportional to 321,789.16, 444,047.70 and 178,540.12

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Solution

The fourth proportional to 321,789.16, 444,047.70 and 178,540.12 is: 246,373.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,789.16 : 444,047.70 = 178,540.12 : x
  2. Step 2: Convert to fraction form
    321,789.16/444,047.70 = 178,540.12/x
  3. Step 3: Cross multiply
    321,789.16x = 444,047.70 × 178,540.12
  4. Step 4: Simplify right side
    321,789.16x = 79,280,329,643.72
  5. Step 5: Solve for x
    x = 79,280,329,643.72/321,789.16
  6. Step 6: Final answer
    x = 246,373.52

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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.