Home / 372,006.72-513,383.04-206,439.36

Finding the Fourth Proportional to 372,006.72, 513,383.04 and 206,439.36

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Solution

The fourth proportional to 372,006.72, 513,383.04 and 206,439.36 is: 284,893.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,006.72 : 513,383.04 = 206,439.36 : x
  2. Step 2: Convert to fraction form
    372,006.72/513,383.04 = 206,439.36/x
  3. Step 3: Cross multiply
    372,006.72x = 513,383.04 × 206,439.36
  4. Step 4: Simplify right side
    372,006.72x = 105,982,466,212.45
  5. Step 5: Solve for x
    x = 105,982,466,212.45/372,006.72
  6. Step 6: Final answer
    x = 284,893.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.