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Finding the Fourth Proportional to 322,586.28, 483,977.84 and 164,925.45

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Solution

The fourth proportional to 322,586.28, 483,977.84 and 164,925.45 is: 247,438.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,586.28 : 483,977.84 = 164,925.45 : x
  2. Step 2: Convert to fraction form
    322,586.28/483,977.84 = 164,925.45/x
  3. Step 3: Cross multiply
    322,586.28x = 483,977.84 × 164,925.45
  4. Step 4: Simplify right side
    322,586.28x = 79,820,263,052.03
  5. Step 5: Solve for x
    x = 79,820,263,052.03/322,586.28
  6. Step 6: Final answer
    x = 247,438.49

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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.