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Finding the Fourth Proportional to 217,452.27, 300,094.25 and 135,828.86

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Solution

The fourth proportional to 217,452.27, 300,094.25 and 135,828.86 is: 187,450.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,452.27 : 300,094.25 = 135,828.86 : x
  2. Step 2: Convert to fraction form
    217,452.27/300,094.25 = 135,828.86/x
  3. Step 3: Cross multiply
    217,452.27x = 300,094.25 × 135,828.86
  4. Step 4: Simplify right side
    217,452.27x = 40,761,457,690.44
  5. Step 5: Solve for x
    x = 40,761,457,690.44/217,452.27
  6. Step 6: Final answer
    x = 187,450.14

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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.