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Finding the Fourth Proportional to 217,015.52, 299,627.66 and 135,467.93

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Solution

The fourth proportional to 217,015.52, 299,627.66 and 135,467.93 is: 187,037.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,015.52 : 299,627.66 = 135,467.93 : x
  2. Step 2: Convert to fraction form
    217,015.52/299,627.66 = 135,467.93/x
  3. Step 3: Cross multiply
    217,015.52x = 299,627.66 × 135,467.93
  4. Step 4: Simplify right side
    217,015.52x = 40,589,938,121.87
  5. Step 5: Solve for x
    x = 40,589,938,121.87/217,015.52
  6. Step 6: Final answer
    x = 187,037.03

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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.