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Finding the Fourth Proportional to 220,033.52, 303,389.08 and 204,090.29

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Solution

The fourth proportional to 220,033.52, 303,389.08 and 204,090.29 is: 281,406.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,033.52 : 303,389.08 = 204,090.29 : x
  2. Step 2: Convert to fraction form
    220,033.52/303,389.08 = 204,090.29/x
  3. Step 3: Cross multiply
    220,033.52x = 303,389.08 × 204,090.29
  4. Step 4: Simplify right side
    220,033.52x = 61,918,764,299.58
  5. Step 5: Solve for x
    x = 61,918,764,299.58/220,033.52
  6. Step 6: Final answer
    x = 281,406.05

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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.