Home / 407,074.05-561,829.46-225,844.38

Finding the Fourth Proportional to 407,074.05, 561,829.46 and 225,844.38

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Solution

The fourth proportional to 407,074.05, 561,829.46 and 225,844.38 is: 311,702.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,074.05 : 561,829.46 = 225,844.38 : x
  2. Step 2: Convert to fraction form
    407,074.05/561,829.46 = 225,844.38/x
  3. Step 3: Cross multiply
    407,074.05x = 561,829.46 × 225,844.38
  4. Step 4: Simplify right side
    407,074.05x = 126,886,024,930.21
  5. Step 5: Solve for x
    x = 126,886,024,930.21/407,074.05
  6. Step 6: Final answer
    x = 311,702.56

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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.