Finding the Fourth Proportional to 497,592.68, 686,677.92 and 271,238.18
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Solution
The fourth proportional to 497,592.68, 686,677.92 and 271,238.18 is: 374,308.70
Step by Step Solution
- Step 1: Write the proportion equation
497,592.68 : 686,677.92 = 271,238.18 : x - Step 2: Convert to fraction form
497,592.68/686,677.92 = 271,238.18/x - Step 3: Cross multiply
497,592.68x = 686,677.92 × 271,238.18 - Step 4: Simplify right side
497,592.68x = 186,253,269,266.99 - Step 5: Solve for x
x = 186,253,269,266.99/497,592.68 - Step 6: Final answer
x = 374,308.70
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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.