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Finding the Fourth Proportional to 223,375.57, 335,062.62 and 90,254.23

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Solution

The fourth proportional to 223,375.57, 335,062.62 and 90,254.23 is: 135,381.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,375.57 : 335,062.62 = 90,254.23 : x
  2. Step 2: Convert to fraction form
    223,375.57/335,062.62 = 90,254.23/x
  3. Step 3: Cross multiply
    223,375.57x = 335,062.62 × 90,254.23
  4. Step 4: Simplify right side
    223,375.57x = 30,240,818,769.88
  5. Step 5: Solve for x
    x = 30,240,818,769.88/223,375.57
  6. Step 6: Final answer
    x = 135,381.05

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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.