Home / 219,406.73-329,110.09-61,636.55

Finding the Fourth Proportional to 219,406.73, 329,110.09 and 61,636.55

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Solution

The fourth proportional to 219,406.73, 329,110.09 and 61,636.55 is: 92,454.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,406.73 : 329,110.09 = 61,636.55 : x
  2. Step 2: Convert to fraction form
    219,406.73/329,110.09 = 61,636.55/x
  3. Step 3: Cross multiply
    219,406.73x = 329,110.09 × 61,636.55
  4. Step 4: Simplify right side
    219,406.73x = 20,285,208,718.15
  5. Step 5: Solve for x
    x = 20,285,208,718.15/219,406.73
  6. Step 6: Final answer
    x = 92,454.82

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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.