Home / 219,333.44-329,002.86-77,182.96

Finding the Fourth Proportional to 219,333.44, 329,002.86 and 77,182.96

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Solution

The fourth proportional to 219,333.44, 329,002.86 and 77,182.96 is: 115,775.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,333.44 : 329,002.86 = 77,182.96 : x
  2. Step 2: Convert to fraction form
    219,333.44/329,002.86 = 77,182.96/x
  3. Step 3: Cross multiply
    219,333.44x = 329,002.86 × 77,182.96
  4. Step 4: Simplify right side
    219,333.44x = 25,393,414,583.27
  5. Step 5: Solve for x
    x = 25,393,414,583.27/219,333.44
  6. Step 6: Final answer
    x = 115,775.39

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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.