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Finding the Fourth Proportional to 192,548.70, 288,515.85 and 161,214.30

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Solution

The fourth proportional to 192,548.70, 288,515.85 and 161,214.30 is: 241,564.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,548.70 : 288,515.85 = 161,214.30 : x
  2. Step 2: Convert to fraction form
    192,548.70/288,515.85 = 161,214.30/x
  3. Step 3: Cross multiply
    192,548.70x = 288,515.85 × 161,214.30
  4. Step 4: Simplify right side
    192,548.70x = 46,512,880,796.66
  5. Step 5: Solve for x
    x = 46,512,880,796.66/192,548.70
  6. Step 6: Final answer
    x = 241,564.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.