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Finding the Fourth Proportional to 268,906.20, 403,748.10 and 202,810.20

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Solution

The fourth proportional to 268,906.20, 403,748.10 and 202,810.20 is: 304,508.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,906.20 : 403,748.10 = 202,810.20 : x
  2. Step 2: Convert to fraction form
    268,906.20/403,748.10 = 202,810.20/x
  3. Step 3: Cross multiply
    268,906.20x = 403,748.10 × 202,810.20
  4. Step 4: Simplify right side
    268,906.20x = 81,884,232,910.62
  5. Step 5: Solve for x
    x = 81,884,232,910.62/268,906.20
  6. Step 6: Final answer
    x = 304,508.53

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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.