Home / 217,862.50-326,664.66-82,936.72

Finding the Fourth Proportional to 217,862.50, 326,664.66 and 82,936.72

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Solution

The fourth proportional to 217,862.50, 326,664.66 and 82,936.72 is: 124,355.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,862.50 : 326,664.66 = 82,936.72 : x
  2. Step 2: Convert to fraction form
    217,862.50/326,664.66 = 82,936.72/x
  3. Step 3: Cross multiply
    217,862.50x = 326,664.66 × 82,936.72
  4. Step 4: Simplify right side
    217,862.50x = 27,092,495,440.32
  5. Step 5: Solve for x
    x = 27,092,495,440.32/217,862.50
  6. Step 6: Final answer
    x = 124,355.94

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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.