Home / 861,942.06-1,292,912.28-230,838.66

Finding the Fourth Proportional to 861,942.06, 1,292,912.28 and 230,838.66

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Solution

The fourth proportional to 861,942.06, 1,292,912.28 and 230,838.66 is: 346,257.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,942.06 : 1,292,912.28 = 230,838.66 : x
  2. Step 2: Convert to fraction form
    861,942.06/1,292,912.28 = 230,838.66/x
  3. Step 3: Cross multiply
    861,942.06x = 1,292,912.28 × 230,838.66
  4. Step 4: Simplify right side
    861,942.06x = 298,454,138,212.75
  5. Step 5: Solve for x
    x = 298,454,138,212.75/861,942.06
  6. Step 6: Final answer
    x = 346,257.77

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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.