Home / 326,948.05-490,428.24-90,297.01

Finding the Fourth Proportional to 326,948.05, 490,428.24 and 90,297.01

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Solution

The fourth proportional to 326,948.05, 490,428.24 and 90,297.01 is: 135,447.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,948.05 : 490,428.24 = 90,297.01 : x
  2. Step 2: Convert to fraction form
    326,948.05/490,428.24 = 90,297.01/x
  3. Step 3: Cross multiply
    326,948.05x = 490,428.24 × 90,297.01
  4. Step 4: Simplify right side
    326,948.05x = 44,284,203,691.56
  5. Step 5: Solve for x
    x = 44,284,203,691.56/326,948.05
  6. Step 6: Final answer
    x = 135,447.22

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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.