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Finding the Fourth Proportional to 329,096.25, 493,644.38 and 79,778.25

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Solution

The fourth proportional to 329,096.25, 493,644.38 and 79,778.25 is: 119,667.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,096.25 : 493,644.38 = 79,778.25 : x
  2. Step 2: Convert to fraction form
    329,096.25/493,644.38 = 79,778.25/x
  3. Step 3: Cross multiply
    329,096.25x = 493,644.38 × 79,778.25
  4. Step 4: Simplify right side
    329,096.25x = 39,382,084,359.84
  5. Step 5: Solve for x
    x = 39,382,084,359.84/329,096.25
  6. Step 6: Final answer
    x = 119,667.38

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1.5x scale

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.