Home / 397,628.44-548,742.42-227,895.40

Finding the Fourth Proportional to 397,628.44, 548,742.42 and 227,895.40

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Solution

The fourth proportional to 397,628.44, 548,742.42 and 227,895.40 is: 314,504.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,628.44 : 548,742.42 = 227,895.40 : x
  2. Step 2: Convert to fraction form
    397,628.44/548,742.42 = 227,895.40/x
  3. Step 3: Cross multiply
    397,628.44x = 548,742.42 × 227,895.40
  4. Step 4: Simplify right side
    397,628.44x = 125,055,873,302.87
  5. Step 5: Solve for x
    x = 125,055,873,302.87/397,628.44
  6. Step 6: Final answer
    x = 314,504.35

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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.