Home / 321,100.19-443,118.26-177,869.51

Finding the Fourth Proportional to 321,100.19, 443,118.26 and 177,869.51

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Solution

The fourth proportional to 321,100.19, 443,118.26 and 177,869.51 is: 245,459.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,100.19 : 443,118.26 = 177,869.51 : x
  2. Step 2: Convert to fraction form
    321,100.19/443,118.26 = 177,869.51/x
  3. Step 3: Cross multiply
    321,100.19x = 443,118.26 × 177,869.51
  4. Step 4: Simplify right side
    321,100.19x = 78,817,227,778.25
  5. Step 5: Solve for x
    x = 78,817,227,778.25/321,100.19
  6. Step 6: Final answer
    x = 245,459.92

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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.