Finding the Fourth Proportional to 289,471.42, 434,208.16 and 204,975.99
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Solution
The fourth proportional to 289,471.42, 434,208.16 and 204,975.99 is: 307,464.71
Step by Step Solution
- Step 1: Write the proportion equation
289,471.42 : 434,208.16 = 204,975.99 : x - Step 2: Convert to fraction form
289,471.42/434,208.16 = 204,975.99/x - Step 3: Cross multiply
289,471.42x = 434,208.16 × 204,975.99 - Step 4: Simplify right side
289,471.42x = 89,002,246,565.31 - Step 5: Solve for x
x = 89,002,246,565.31/289,471.42 - Step 6: Final answer
x = 307,464.71
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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.