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Finding the Fourth Proportional to 219,657.78, 329,110.44 and 119,887.92

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Solution

The fourth proportional to 219,657.78, 329,110.44 and 119,887.92 is: 179,626.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,657.78 : 329,110.44 = 119,887.92 : x
  2. Step 2: Convert to fraction form
    219,657.78/329,110.44 = 119,887.92/x
  3. Step 3: Cross multiply
    219,657.78x = 329,110.44 × 119,887.92
  4. Step 4: Simplify right side
    219,657.78x = 39,456,366,101.88
  5. Step 5: Solve for x
    x = 39,456,366,101.88/219,657.78
  6. Step 6: Final answer
    x = 179,626.54

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1.5x scale

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.