Home / 305,227.40-457,906.76-102,843.64

Finding the Fourth Proportional to 305,227.40, 457,906.76 and 102,843.64

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Solution

The fourth proportional to 305,227.40, 457,906.76 and 102,843.64 is: 154,287.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,227.40 : 457,906.76 = 102,843.64 : x
  2. Step 2: Convert to fraction form
    305,227.40/457,906.76 = 102,843.64/x
  3. Step 3: Cross multiply
    305,227.40x = 457,906.76 × 102,843.64
  4. Step 4: Simplify right side
    305,227.40x = 47,092,797,979.01
  5. Step 5: Solve for x
    x = 47,092,797,979.01/305,227.40
  6. Step 6: Final answer
    x = 154,287.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.