Home / 217,827.93-326,869.90-91,458.46

Finding the Fourth Proportional to 217,827.93, 326,869.90 and 91,458.46

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Solution

The fourth proportional to 217,827.93, 326,869.90 and 91,458.46 is: 137,241.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,827.93 : 326,869.90 = 91,458.46 : x
  2. Step 2: Convert to fraction form
    217,827.93/326,869.90 = 91,458.46/x
  3. Step 3: Cross multiply
    217,827.93x = 326,869.90 × 91,458.46
  4. Step 4: Simplify right side
    217,827.93x = 29,895,017,854.30
  5. Step 5: Solve for x
    x = 29,895,017,854.30/217,827.93
  6. Step 6: Final answer
    x = 137,241.43

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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.