Home / 217,741.75-300,488.37-119,626.25

Finding the Fourth Proportional to 217,741.75, 300,488.37 and 119,626.25

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Solution

The fourth proportional to 217,741.75, 300,488.37 and 119,626.25 is: 165,086.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,741.75 : 300,488.37 = 119,626.25 : x
  2. Step 2: Convert to fraction form
    217,741.75/300,488.37 = 119,626.25/x
  3. Step 3: Cross multiply
    217,741.75x = 300,488.37 × 119,626.25
  4. Step 4: Simplify right side
    217,741.75x = 35,946,298,297.61
  5. Step 5: Solve for x
    x = 35,946,298,297.61/217,741.75
  6. Step 6: Final answer
    x = 165,086.84

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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.