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Finding the Fourth Proportional to 608,299.60, 912,449.40 and 165,067.60

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Solution

The fourth proportional to 608,299.60, 912,449.40 and 165,067.60 is: 247,601.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,299.60 : 912,449.40 = 165,067.60 : x
  2. Step 2: Convert to fraction form
    608,299.60/912,449.40 = 165,067.60/x
  3. Step 3: Cross multiply
    608,299.60x = 912,449.40 × 165,067.60
  4. Step 4: Simplify right side
    608,299.60x = 150,615,832,579.44
  5. Step 5: Solve for x
    x = 150,615,832,579.44/608,299.60
  6. Step 6: Final answer
    x = 247,601.40

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Similar ratio
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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.