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Finding the Fourth Proportional to 192,480.48, 288,720.72 and 93,900

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Solution

The fourth proportional to 192,480.48, 288,720.72 and 93,900 is: 140,850.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,480.48 : 288,720.72 = 93,900 : x
  2. Step 2: Convert to fraction form
    192,480.48/288,720.72 = 93,900/x
  3. Step 3: Cross multiply
    192,480.48x = 288,720.72 × 93,900
  4. Step 4: Simplify right side
    192,480.48x = 27,110,875,608.00
  5. Step 5: Solve for x
    x = 27,110,875,608.00/192,480.48
  6. Step 6: Final answer
    x = 140,850.00

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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.