Finding the Fourth Proportional to 271,981.29, 374,996.70 and 181,138.09
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Solution
The fourth proportional to 271,981.29, 374,996.70 and 181,138.09 is: 249,745.80
Step by Step Solution
- Step 1: Write the proportion equation
271,981.29 : 374,996.70 = 181,138.09 : x - Step 2: Convert to fraction form
271,981.29/374,996.70 = 181,138.09/x - Step 3: Cross multiply
271,981.29x = 374,996.70 × 181,138.09 - Step 4: Simplify right side
271,981.29x = 67,926,185,088.61 - Step 5: Solve for x
x = 67,926,185,088.61/271,981.29 - Step 6: Final answer
x = 249,745.80
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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.