Home / 407,173.41-561,899.97-225,885.35

Finding the Fourth Proportional to 407,173.41, 561,899.97 and 225,885.35

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Solution

The fourth proportional to 407,173.41, 561,899.97 and 225,885.35 is: 311,722.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,173.41 : 561,899.97 = 225,885.35 : x
  2. Step 2: Convert to fraction form
    407,173.41/561,899.97 = 225,885.35/x
  3. Step 3: Cross multiply
    407,173.41x = 561,899.97 × 225,885.35
  4. Step 4: Simplify right side
    407,173.41x = 126,924,972,793.19
  5. Step 5: Solve for x
    x = 126,924,972,793.19/407,173.41
  6. Step 6: Final answer
    x = 311,722.15

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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.