Finding the Fourth Proportional to 271,394.12, 374,278.68 and 169,428.98
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Solution
The fourth proportional to 271,394.12, 374,278.68 and 169,428.98 is: 233,658.91
Step by Step Solution
- Step 1: Write the proportion equation
271,394.12 : 374,278.68 = 169,428.98 : x - Step 2: Convert to fraction form
271,394.12/374,278.68 = 169,428.98/x - Step 3: Cross multiply
271,394.12x = 374,278.68 × 169,428.98 - Step 4: Simplify right side
271,394.12x = 63,413,654,988.15 - Step 5: Solve for x
x = 63,413,654,988.15/271,394.12 - Step 6: Final answer
x = 233,658.91
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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.