Home / 321,984.90-444,316.86-178,733.70

Finding the Fourth Proportional to 321,984.90, 444,316.86 and 178,733.70

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Solution

The fourth proportional to 321,984.90, 444,316.86 and 178,733.70 is: 246,640.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,984.90 : 444,316.86 = 178,733.70 : x
  2. Step 2: Convert to fraction form
    321,984.90/444,316.86 = 178,733.70/x
  3. Step 3: Cross multiply
    321,984.90x = 444,316.86 × 178,733.70
  4. Step 4: Simplify right side
    321,984.90x = 79,414,396,360.18
  5. Step 5: Solve for x
    x = 79,414,396,360.18/321,984.90
  6. Step 6: Final answer
    x = 246,640.13

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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.