Home / 302,974.14-417,950.46-231,229.56

Finding the Fourth Proportional to 302,974.14, 417,950.46 and 231,229.56

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Solution

The fourth proportional to 302,974.14, 417,950.46 and 231,229.56 is: 318,979.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,974.14 : 417,950.46 = 231,229.56 : x
  2. Step 2: Convert to fraction form
    302,974.14/417,950.46 = 231,229.56/x
  3. Step 3: Cross multiply
    302,974.14x = 417,950.46 × 231,229.56
  4. Step 4: Simplify right side
    302,974.14x = 96,642,500,967.60
  5. Step 5: Solve for x
    x = 96,642,500,967.60/302,974.14
  6. Step 6: Final answer
    x = 318,979.37

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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.