Home / 219,398.08-329,045.76-61,641.60

Finding the Fourth Proportional to 219,398.08, 329,045.76 and 61,641.60

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Solution

The fourth proportional to 219,398.08, 329,045.76 and 61,641.60 is: 92,447.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,398.08 : 329,045.76 = 61,641.60 : x
  2. Step 2: Convert to fraction form
    219,398.08/329,045.76 = 61,641.60/x
  3. Step 3: Cross multiply
    219,398.08x = 329,045.76 × 61,641.60
  4. Step 4: Simplify right side
    219,398.08x = 20,282,907,119.62
  5. Step 5: Solve for x
    x = 20,282,907,119.62/219,398.08
  6. Step 6: Final answer
    x = 92,447.97

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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.