Home / 326,889.24-490,297.14-90,265.56

Finding the Fourth Proportional to 326,889.24, 490,297.14 and 90,265.56

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Solution

The fourth proportional to 326,889.24, 490,297.14 and 90,265.56 is: 135,388.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,889.24 : 490,297.14 = 90,265.56 : x
  2. Step 2: Convert to fraction form
    326,889.24/490,297.14 = 90,265.56/x
  3. Step 3: Cross multiply
    326,889.24x = 490,297.14 × 90,265.56
  4. Step 4: Simplify right side
    326,889.24x = 44,256,945,908.50
  5. Step 5: Solve for x
    x = 44,256,945,908.50/326,889.24
  6. Step 6: Final answer
    x = 135,388.20

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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.