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Finding the Fourth Proportional to 220,466.52, 304,242.30 and 119,864.52

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Solution

The fourth proportional to 220,466.52, 304,242.30 and 119,864.52 is: 165,412.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,466.52 : 304,242.30 = 119,864.52 : x
  2. Step 2: Convert to fraction form
    220,466.52/304,242.30 = 119,864.52/x
  3. Step 3: Cross multiply
    220,466.52x = 304,242.30 × 119,864.52
  4. Step 4: Simplify right side
    220,466.52x = 36,467,857,253.20
  5. Step 5: Solve for x
    x = 36,467,857,253.20/220,466.52
  6. Step 6: Final answer
    x = 165,412.22

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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.