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Finding the Fourth Proportional to 199,652, 275,158.90 and 165,480.53

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Solution

The fourth proportional to 199,652, 275,158.90 and 165,480.53 is: 228,064.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,652 : 275,158.90 = 165,480.53 : x
  2. Step 2: Convert to fraction form
    199,652/275,158.90 = 165,480.53/x
  3. Step 3: Cross multiply
    199,652x = 275,158.90 × 165,480.53
  4. Step 4: Simplify right side
    199,652x = 45,533,440,606.22
  5. Step 5: Solve for x
    x = 45,533,440,606.22/199,652
  6. Step 6: Final answer
    x = 228,064.03

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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.