Home / 330,664.72-495,979.32-193,963.92

Finding the Fourth Proportional to 330,664.72, 495,979.32 and 193,963.92

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Solution

The fourth proportional to 330,664.72, 495,979.32 and 193,963.92 is: 290,935.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,664.72 : 495,979.32 = 193,963.92 : x
  2. Step 2: Convert to fraction form
    330,664.72/495,979.32 = 193,963.92/x
  3. Step 3: Cross multiply
    330,664.72x = 495,979.32 × 193,963.92
  4. Step 4: Simplify right side
    330,664.72x = 96,202,093,146.13
  5. Step 5: Solve for x
    x = 96,202,093,146.13/330,664.72
  6. Step 6: Final answer
    x = 290,935.46

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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.