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Finding the Fourth Proportional to 382,293.72, 573,455.16 and 195,086.52

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Solution

The fourth proportional to 382,293.72, 573,455.16 and 195,086.52 is: 292,637.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,293.72 : 573,455.16 = 195,086.52 : x
  2. Step 2: Convert to fraction form
    382,293.72/573,455.16 = 195,086.52/x
  3. Step 3: Cross multiply
    382,293.72x = 573,455.16 × 195,086.52
  4. Step 4: Simplify right side
    382,293.72x = 111,873,371,540.44
  5. Step 5: Solve for x
    x = 111,873,371,540.44/382,293.72
  6. Step 6: Final answer
    x = 292,637.22

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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.