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Finding the Fourth Proportional to 220,467.24, 304,242.84 and 119,865.24

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Solution

The fourth proportional to 220,467.24, 304,242.84 and 119,865.24 is: 165,412.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,467.24 : 304,242.84 = 119,865.24 : x
  2. Step 2: Convert to fraction form
    220,467.24/304,242.84 = 119,865.24/x
  3. Step 3: Cross multiply
    220,467.24x = 304,242.84 × 119,865.24
  4. Step 4: Simplify right side
    220,467.24x = 36,468,141,034.88
  5. Step 5: Solve for x
    x = 36,468,141,034.88/220,467.24
  6. Step 6: Final answer
    x = 165,412.97

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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.