Home / 407,172.22-561,898.31-225,884.15

Finding the Fourth Proportional to 407,172.22, 561,898.31 and 225,884.15

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Solution

The fourth proportional to 407,172.22, 561,898.31 and 225,884.15 is: 311,720.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,172.22 : 561,898.31 = 225,884.15 : x
  2. Step 2: Convert to fraction form
    407,172.22/561,898.31 = 225,884.15/x
  3. Step 3: Cross multiply
    407,172.22x = 561,898.31 × 225,884.15
  4. Step 4: Simplify right side
    407,172.22x = 126,923,921,300.75
  5. Step 5: Solve for x
    x = 126,923,921,300.75/407,172.22
  6. Step 6: Final answer
    x = 311,720.48

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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.