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Finding the Fourth Proportional to 217,458.34, 300,379.94 and 181,277.97

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Solution

The fourth proportional to 217,458.34, 300,379.94 and 181,277.97 is: 250,403.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,458.34 : 300,379.94 = 181,277.97 : x
  2. Step 2: Convert to fraction form
    217,458.34/300,379.94 = 181,277.97/x
  3. Step 3: Cross multiply
    217,458.34x = 300,379.94 × 181,277.97
  4. Step 4: Simplify right side
    217,458.34x = 54,452,265,418.59
  5. Step 5: Solve for x
    x = 54,452,265,418.59/217,458.34
  6. Step 6: Final answer
    x = 250,403.21

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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.