Home / 231,998.60-348,516.30-225,777.80

Finding the Fourth Proportional to 231,998.60, 348,516.30 and 225,777.80

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Solution

The fourth proportional to 231,998.60, 348,516.30 and 225,777.80 is: 339,171.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,998.60 : 348,516.30 = 225,777.80 : x
  2. Step 2: Convert to fraction form
    231,998.60/348,516.30 = 225,777.80/x
  3. Step 3: Cross multiply
    231,998.60x = 348,516.30 × 225,777.80
  4. Step 4: Simplify right side
    231,998.60x = 78,687,243,478.14
  5. Step 5: Solve for x
    x = 78,687,243,478.14/231,998.60
  6. Step 6: Final answer
    x = 339,171.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.