Home / 223,464.20-335,034.30-90,278.60

Finding the Fourth Proportional to 223,464.20, 335,034.30 and 90,278.60

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Solution

The fourth proportional to 223,464.20, 335,034.30 and 90,278.60 is: 135,352.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,464.20 : 335,034.30 = 90,278.60 : x
  2. Step 2: Convert to fraction form
    223,464.20/335,034.30 = 90,278.60/x
  3. Step 3: Cross multiply
    223,464.20x = 335,034.30 × 90,278.60
  4. Step 4: Simplify right side
    223,464.20x = 30,246,427,555.98
  5. Step 5: Solve for x
    x = 30,246,427,555.98/223,464.20
  6. Step 6: Final answer
    x = 135,352.45

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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.