Home / 397,336.31-548,330.94-216,049.46

Finding the Fourth Proportional to 397,336.31, 548,330.94 and 216,049.46

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Solution

The fourth proportional to 397,336.31, 548,330.94 and 216,049.46 is: 298,151.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,336.31 : 548,330.94 = 216,049.46 : x
  2. Step 2: Convert to fraction form
    397,336.31/548,330.94 = 216,049.46/x
  3. Step 3: Cross multiply
    397,336.31x = 548,330.94 × 216,049.46
  4. Step 4: Simplify right side
    397,336.31x = 118,466,600,746.64
  5. Step 5: Solve for x
    x = 118,466,600,746.64/397,336.31
  6. Step 6: Final answer
    x = 298,151.97

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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.