Finding the Fourth Proportional to 271,921.30, 375,085.13 and 161,465.09
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Solution
The fourth proportional to 271,921.30, 375,085.13 and 161,465.09 is: 222,723.09
Step by Step Solution
- Step 1: Write the proportion equation
271,921.30 : 375,085.13 = 161,465.09 : x - Step 2: Convert to fraction form
271,921.30/375,085.13 = 161,465.09/x - Step 3: Cross multiply
271,921.30x = 375,085.13 × 161,465.09 - Step 4: Simplify right side
271,921.30x = 60,563,151,590.36 - Step 5: Solve for x
x = 60,563,151,590.36/271,921.30 - Step 6: Final answer
x = 222,723.09
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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.