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Finding the Fourth Proportional to 324,244, 486,368.16 and 102,628

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Solution

The fourth proportional to 324,244, 486,368.16 and 102,628 is: 153,942.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,244 : 486,368.16 = 102,628 : x
  2. Step 2: Convert to fraction form
    324,244/486,368.16 = 102,628/x
  3. Step 3: Cross multiply
    324,244x = 486,368.16 × 102,628
  4. Step 4: Simplify right side
    324,244x = 49,914,991,524.48
  5. Step 5: Solve for x
    x = 49,914,991,524.48/324,244
  6. Step 6: Final answer
    x = 153,942.68

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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.