Home / 407,071.26-561,735.41-225,770.18

Finding the Fourth Proportional to 407,071.26, 561,735.41 and 225,770.18

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Solution

The fourth proportional to 407,071.26, 561,735.41 and 225,770.18 is: 311,550.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,071.26 : 561,735.41 = 225,770.18 : x
  2. Step 2: Convert to fraction form
    407,071.26/561,735.41 = 225,770.18/x
  3. Step 3: Cross multiply
    407,071.26x = 561,735.41 × 225,770.18
  4. Step 4: Simplify right side
    407,071.26x = 126,823,100,690.55
  5. Step 5: Solve for x
    x = 126,823,100,690.55/407,071.26
  6. Step 6: Final answer
    x = 311,550.12

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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.