Home / 321,885.06-444,180.69-178,645.20

Finding the Fourth Proportional to 321,885.06, 444,180.69 and 178,645.20

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Solution

The fourth proportional to 321,885.06, 444,180.69 and 178,645.20 is: 246,518.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,885.06 : 444,180.69 = 178,645.20 : x
  2. Step 2: Convert to fraction form
    321,885.06/444,180.69 = 178,645.20/x
  3. Step 3: Cross multiply
    321,885.06x = 444,180.69 × 178,645.20
  4. Step 4: Simplify right side
    321,885.06x = 79,350,748,201.19
  5. Step 5: Solve for x
    x = 79,350,748,201.19/321,885.06
  6. Step 6: Final answer
    x = 246,518.89

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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.