Home / 397,475.52-548,335.28-236,238.95

Finding the Fourth Proportional to 397,475.52, 548,335.28 and 236,238.95

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Solution

The fourth proportional to 397,475.52, 548,335.28 and 236,238.95 is: 325,902.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,475.52 : 548,335.28 = 236,238.95 : x
  2. Step 2: Convert to fraction form
    397,475.52/548,335.28 = 236,238.95/x
  3. Step 3: Cross multiply
    397,475.52x = 548,335.28 × 236,238.95
  4. Step 4: Simplify right side
    397,475.52x = 129,538,150,795.16
  5. Step 5: Solve for x
    x = 129,538,150,795.16/397,475.52
  6. Step 6: Final answer
    x = 325,902.21

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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.