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Finding the Fourth Proportional to 259,618.64, 389,032.68 and 192,745.04

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Solution

The fourth proportional to 259,618.64, 389,032.68 and 192,745.04 is: 288,824.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,618.64 : 389,032.68 = 192,745.04 : x
  2. Step 2: Convert to fraction form
    259,618.64/389,032.68 = 192,745.04/x
  3. Step 3: Cross multiply
    259,618.64x = 389,032.68 × 192,745.04
  4. Step 4: Simplify right side
    259,618.64x = 74,984,119,467.91
  5. Step 5: Solve for x
    x = 74,984,119,467.91/259,618.64
  6. Step 6: Final answer
    x = 288,824.10

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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.