Finding the Fourth Proportional to 808,086.16, 1,212,129.24 and 247,120.66
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Solution
The fourth proportional to 808,086.16, 1,212,129.24 and 247,120.66 is: 370,680.99
Step by Step Solution
- Step 1: Write the proportion equation
808,086.16 : 1,212,129.24 = 247,120.66 : x - Step 2: Convert to fraction form
808,086.16/1,212,129.24 = 247,120.66/x - Step 3: Cross multiply
808,086.16x = 1,212,129.24 × 247,120.66 - Step 4: Simplify right side
808,086.16x = 299,542,177,794.10 - Step 5: Solve for x
x = 299,542,177,794.10/808,086.16 - Step 6: Final answer
x = 370,680.99
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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.