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Finding the Fourth Proportional to 220,320.76, 304,043.44 and 119,718.76

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Solution

The fourth proportional to 220,320.76, 304,043.44 and 119,718.76 is: 165,212.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,320.76 : 304,043.44 = 119,718.76 : x
  2. Step 2: Convert to fraction form
    220,320.76/304,043.44 = 119,718.76/x
  3. Step 3: Cross multiply
    220,320.76x = 304,043.44 × 119,718.76
  4. Step 4: Simplify right side
    220,320.76x = 36,399,703,622.93
  5. Step 5: Solve for x
    x = 36,399,703,622.93/220,320.76
  6. Step 6: Final answer
    x = 165,212.32

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.