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Finding the Fourth Proportional to 486,188.84, 729,283.28 and 131,202.29

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Solution

The fourth proportional to 486,188.84, 729,283.28 and 131,202.29 is: 196,803.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,188.84 : 729,283.28 = 131,202.29 : x
  2. Step 2: Convert to fraction form
    486,188.84/729,283.28 = 131,202.29/x
  3. Step 3: Cross multiply
    486,188.84x = 729,283.28 × 131,202.29
  4. Step 4: Simplify right side
    486,188.84x = 95,683,632,092.28
  5. Step 5: Solve for x
    x = 95,683,632,092.28/486,188.84
  6. Step 6: Final answer
    x = 196,803.43

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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.