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Finding the Fourth Proportional to 330,528.43, 495,792.81 and 218,182.39

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Solution

The fourth proportional to 330,528.43, 495,792.81 and 218,182.39 is: 327,273.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,528.43 : 495,792.81 = 218,182.39 : x
  2. Step 2: Convert to fraction form
    330,528.43/495,792.81 = 218,182.39/x
  3. Step 3: Cross multiply
    330,528.43x = 495,792.81 × 218,182.39
  4. Step 4: Simplify right side
    330,528.43x = 108,173,256,660.74
  5. Step 5: Solve for x
    x = 108,173,256,660.74/330,528.43
  6. Step 6: Final answer
    x = 327,273.69

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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.