Finding the Fourth Proportional to 181,356.64, 271,521.68 and 138,613.08
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Solution
The fourth proportional to 181,356.64, 271,521.68 and 138,613.08 is: 207,527.31
Step by Step Solution
- Step 1: Write the proportion equation
181,356.64 : 271,521.68 = 138,613.08 : x - Step 2: Convert to fraction form
181,356.64/271,521.68 = 138,613.08/x - Step 3: Cross multiply
181,356.64x = 271,521.68 × 138,613.08 - Step 4: Simplify right side
181,356.64x = 37,636,456,351.57 - Step 5: Solve for x
x = 37,636,456,351.57/181,356.64 - Step 6: Final answer
x = 207,527.31
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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.