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Finding the Fourth Proportional to 317,288.34, 437,849.69 and 181,313.64

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Solution

The fourth proportional to 317,288.34, 437,849.69 and 181,313.64 is: 250,208.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,288.34 : 437,849.69 = 181,313.64 : x
  2. Step 2: Convert to fraction form
    317,288.34/437,849.69 = 181,313.64/x
  3. Step 3: Cross multiply
    317,288.34x = 437,849.69 × 181,313.64
  4. Step 4: Simplify right side
    317,288.34x = 79,388,120,160.20
  5. Step 5: Solve for x
    x = 79,388,120,160.20/317,288.34
  6. Step 6: Final answer
    x = 250,208.12

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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.