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Finding the Fourth Proportional to 329,595.08, 494,392.86 and 80,274.92

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Solution

The fourth proportional to 329,595.08, 494,392.86 and 80,274.92 is: 120,412.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,595.08 : 494,392.86 = 80,274.92 : x
  2. Step 2: Convert to fraction form
    329,595.08/494,392.86 = 80,274.92/x
  3. Step 3: Cross multiply
    329,595.08x = 494,392.86 × 80,274.92
  4. Step 4: Simplify right side
    329,595.08x = 39,687,347,285.07
  5. Step 5: Solve for x
    x = 39,687,347,285.07/329,595.08
  6. Step 6: Final answer
    x = 120,412.44

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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.