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Finding the Fourth Proportional to 219,657.96, 329,110.76 and 119,888.17

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Solution

The fourth proportional to 219,657.96, 329,110.76 and 119,888.17 is: 179,626.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,657.96 : 329,110.76 = 119,888.17 : x
  2. Step 2: Convert to fraction form
    219,657.96/329,110.76 = 119,888.17/x
  3. Step 3: Cross multiply
    219,657.96x = 329,110.76 × 119,888.17
  4. Step 4: Simplify right side
    219,657.96x = 39,456,486,220.65
  5. Step 5: Solve for x
    x = 39,456,486,220.65/219,657.96
  6. Step 6: Final answer
    x = 179,626.94

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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.