Home / 217,675.30-326,428.89-84,537.57

Finding the Fourth Proportional to 217,675.30, 326,428.89 and 84,537.57

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Solution

The fourth proportional to 217,675.30, 326,428.89 and 84,537.57 is: 126,773.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,675.30 : 326,428.89 = 84,537.57 : x
  2. Step 2: Convert to fraction form
    217,675.30/326,428.89 = 84,537.57/x
  3. Step 3: Cross multiply
    217,675.30x = 326,428.89 × 84,537.57
  4. Step 4: Simplify right side
    217,675.30x = 27,595,506,045.49
  5. Step 5: Solve for x
    x = 27,595,506,045.49/217,675.30
  6. Step 6: Final answer
    x = 126,773.71

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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.