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Finding the Fourth Proportional to 408,160.39, 612,240.70 and 119,972.08

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Solution

The fourth proportional to 408,160.39, 612,240.70 and 119,972.08 is: 179,958.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,160.39 : 612,240.70 = 119,972.08 : x
  2. Step 2: Convert to fraction form
    408,160.39/612,240.70 = 119,972.08/x
  3. Step 3: Cross multiply
    408,160.39x = 612,240.70 × 119,972.08
  4. Step 4: Simplify right side
    408,160.39x = 73,451,788,786.27
  5. Step 5: Solve for x
    x = 73,451,788,786.27/408,160.39
  6. Step 6: Final answer
    x = 179,958.15

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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.