Home / 305,275.13-457,934.57-80,633.33

Finding the Fourth Proportional to 305,275.13, 457,934.57 and 80,633.33

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Solution

The fourth proportional to 305,275.13, 457,934.57 and 80,633.33 is: 120,955.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,275.13 : 457,934.57 = 80,633.33 : x
  2. Step 2: Convert to fraction form
    305,275.13/457,934.57 = 80,633.33/x
  3. Step 3: Cross multiply
    305,275.13x = 457,934.57 × 80,633.33
  4. Step 4: Simplify right side
    305,275.13x = 36,924,786,608.38
  5. Step 5: Solve for x
    x = 36,924,786,608.38/305,275.13
  6. Step 6: Final answer
    x = 120,955.76

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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.