Home / 219,402.14-329,115.96-61,642.91

Finding the Fourth Proportional to 219,402.14, 329,115.96 and 61,642.91

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Solution

The fourth proportional to 219,402.14, 329,115.96 and 61,642.91 is: 92,467.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,402.14 : 329,115.96 = 61,642.91 : x
  2. Step 2: Convert to fraction form
    219,402.14/329,115.96 = 61,642.91/x
  3. Step 3: Cross multiply
    219,402.14x = 329,115.96 × 61,642.91
  4. Step 4: Simplify right side
    219,402.14x = 20,287,665,501.84
  5. Step 5: Solve for x
    x = 20,287,665,501.84/219,402.14
  6. Step 6: Final answer
    x = 92,467.95

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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.