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Finding the Fourth Proportional to 317,280.67, 437,786.73 and 181,357.72

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Solution

The fourth proportional to 317,280.67, 437,786.73 and 181,357.72 is: 250,239.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,280.67 : 437,786.73 = 181,357.72 : x
  2. Step 2: Convert to fraction form
    317,280.67/437,786.73 = 181,357.72/x
  3. Step 3: Cross multiply
    317,280.67x = 437,786.73 × 181,357.72
  4. Step 4: Simplify right side
    317,280.67x = 79,396,002,104.59
  5. Step 5: Solve for x
    x = 79,396,002,104.59/317,280.67
  6. Step 6: Final answer
    x = 250,239.02

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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.