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Finding the Fourth Proportional to 327,628.60, 452,266.94 and 220,260.94

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Solution

The fourth proportional to 327,628.60, 452,266.94 and 220,260.94 is: 304,053.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,628.60 : 452,266.94 = 220,260.94 : x
  2. Step 2: Convert to fraction form
    327,628.60/452,266.94 = 220,260.94/x
  3. Step 3: Cross multiply
    327,628.60x = 452,266.94 × 220,260.94
  4. Step 4: Simplify right side
    327,628.60x = 99,616,740,755.31
  5. Step 5: Solve for x
    x = 99,616,740,755.31/327,628.60
  6. Step 6: Final answer
    x = 304,053.86

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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.