Finding the Fourth Proportional to 305,419.63, 421,464.81 and 169,452.13
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Solution
The fourth proportional to 305,419.63, 421,464.81 and 169,452.13 is: 233,836.02
Step by Step Solution
- Step 1: Write the proportion equation
305,419.63 : 421,464.81 = 169,452.13 : x - Step 2: Convert to fraction form
305,419.63/421,464.81 = 169,452.13/x - Step 3: Cross multiply
305,419.63x = 421,464.81 × 169,452.13 - Step 4: Simplify right side
305,419.63x = 71,418,109,774.55 - Step 5: Solve for x
x = 71,418,109,774.55/305,419.63 - Step 6: Final answer
x = 233,836.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.