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Finding the Fourth Proportional to 322,744.64, 483,919.44 and 133,146.32

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Solution

The fourth proportional to 322,744.64, 483,919.44 and 133,146.32 is: 199,637.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,744.64 : 483,919.44 = 133,146.32 : x
  2. Step 2: Convert to fraction form
    322,744.64/483,919.44 = 133,146.32/x
  3. Step 3: Cross multiply
    322,744.64x = 483,919.44 × 133,146.32
  4. Step 4: Simplify right side
    322,744.64x = 64,432,092,612.46
  5. Step 5: Solve for x
    x = 64,432,092,612.46/322,744.64
  6. Step 6: Final answer
    x = 199,637.99

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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.