Home / 217,390.60-299,652.33-171,375.22

Finding the Fourth Proportional to 217,390.60, 299,652.33 and 171,375.22

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Solution

The fourth proportional to 217,390.60, 299,652.33 and 171,375.22 is: 236,224.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,390.60 : 299,652.33 = 171,375.22 : x
  2. Step 2: Convert to fraction form
    217,390.60/299,652.33 = 171,375.22/x
  3. Step 3: Cross multiply
    217,390.60x = 299,652.33 × 171,375.22
  4. Step 4: Simplify right side
    217,390.60x = 51,352,983,120.39
  5. Step 5: Solve for x
    x = 51,352,983,120.39/217,390.60
  6. Step 6: Final answer
    x = 236,224.49

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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.