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Finding the Fourth Proportional to 220,114.90, 330,877.05 and 204,514.30

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Solution

The fourth proportional to 220,114.90, 330,877.05 and 204,514.30 is: 307,426.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,114.90 : 330,877.05 = 204,514.30 : x
  2. Step 2: Convert to fraction form
    220,114.90/330,877.05 = 204,514.30/x
  3. Step 3: Cross multiply
    220,114.90x = 330,877.05 × 204,514.30
  4. Step 4: Simplify right side
    220,114.90x = 67,669,088,266.82
  5. Step 5: Solve for x
    x = 67,669,088,266.82/220,114.90
  6. Step 6: Final answer
    x = 307,426.20

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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.