Home / 321,697.03-443,956.49-178,457.26

Finding the Fourth Proportional to 321,697.03, 443,956.49 and 178,457.26

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Solution

The fourth proportional to 321,697.03, 443,956.49 and 178,457.26 is: 246,279.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,697.03 : 443,956.49 = 178,457.26 : x
  2. Step 2: Convert to fraction form
    321,697.03/443,956.49 = 178,457.26/x
  3. Step 3: Cross multiply
    321,697.03x = 443,956.49 × 178,457.26
  4. Step 4: Simplify right side
    321,697.03x = 79,227,258,764.62
  5. Step 5: Solve for x
    x = 79,227,258,764.62/321,697.03
  6. Step 6: Final answer
    x = 246,279.11

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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.