Home / 397,621.44-548,732.68-227,888.32

Finding the Fourth Proportional to 397,621.44, 548,732.68 and 227,888.32

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Solution

The fourth proportional to 397,621.44, 548,732.68 and 227,888.32 is: 314,494.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,621.44 : 548,732.68 = 227,888.32 : x
  2. Step 2: Convert to fraction form
    397,621.44/548,732.68 = 227,888.32/x
  3. Step 3: Cross multiply
    397,621.44x = 548,732.68 × 227,888.32
  4. Step 4: Simplify right side
    397,621.44x = 125,049,768,574.30
  5. Step 5: Solve for x
    x = 125,049,768,574.30/397,621.44
  6. Step 6: Final answer
    x = 314,494.53

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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.