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Finding the Fourth Proportional to 608,010.60, 912,015.90 and 187,231.80

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Solution

The fourth proportional to 608,010.60, 912,015.90 and 187,231.80 is: 280,847.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,010.60 : 912,015.90 = 187,231.80 : x
  2. Step 2: Convert to fraction form
    608,010.60/912,015.90 = 187,231.80/x
  3. Step 3: Cross multiply
    608,010.60x = 912,015.90 × 187,231.80
  4. Step 4: Simplify right side
    608,010.60x = 170,758,378,585.62
  5. Step 5: Solve for x
    x = 170,758,378,585.62/608,010.60
  6. Step 6: Final answer
    x = 280,847.70

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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.