Home / 321,525.15-443,683.08-178,279.89

Finding the Fourth Proportional to 321,525.15, 443,683.08 and 178,279.89

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Solution

The fourth proportional to 321,525.15, 443,683.08 and 178,279.89 is: 246,014.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,525.15 : 443,683.08 = 178,279.89 : x
  2. Step 2: Convert to fraction form
    321,525.15/443,683.08 = 178,279.89/x
  3. Step 3: Cross multiply
    321,525.15x = 443,683.08 × 178,279.89
  4. Step 4: Simplify right side
    321,525.15x = 79,099,770,697.26
  5. Step 5: Solve for x
    x = 79,099,770,697.26/321,525.15
  6. Step 6: Final answer
    x = 246,014.26

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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.