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Finding the Fourth Proportional to 483,795.84, 725,696.07 and 146,839.42

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Solution

The fourth proportional to 483,795.84, 725,696.07 and 146,839.42 is: 220,259.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,795.84 : 725,696.07 = 146,839.42 : x
  2. Step 2: Convert to fraction form
    483,795.84/725,696.07 = 146,839.42/x
  3. Step 3: Cross multiply
    483,795.84x = 725,696.07 × 146,839.42
  4. Step 4: Simplify right side
    483,795.84x = 106,560,790,015.08
  5. Step 5: Solve for x
    x = 106,560,790,015.08/483,795.84
  6. Step 6: Final answer
    x = 220,259.83

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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.