Home / 291,231.06-436,286.31-178,582.46

Finding the Fourth Proportional to 291,231.06, 436,286.31 and 178,582.46

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Solution

The fourth proportional to 291,231.06, 436,286.31 and 178,582.46 is: 267,530.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,231.06 : 436,286.31 = 178,582.46 : x
  2. Step 2: Convert to fraction form
    291,231.06/436,286.31 = 178,582.46/x
  3. Step 3: Cross multiply
    291,231.06x = 436,286.31 × 178,582.46
  4. Step 4: Simplify right side
    291,231.06x = 77,913,082,504.12
  5. Step 5: Solve for x
    x = 77,913,082,504.12/291,231.06
  6. Step 6: Final answer
    x = 267,530.13

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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.