Finding the Fourth Proportional to 497,590.68, 686,675.16 and 271,236.18
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Solution
The fourth proportional to 497,590.68, 686,675.16 and 271,236.18 is: 374,305.94
Step by Step Solution
- Step 1: Write the proportion equation
497,590.68 : 686,675.16 = 271,236.18 : x - Step 2: Convert to fraction form
497,590.68/686,675.16 = 271,236.18/x - Step 3: Cross multiply
497,590.68x = 686,675.16 × 271,236.18 - Step 4: Simplify right side
497,590.68x = 186,251,147,299.29 - Step 5: Solve for x
x = 186,251,147,299.29/497,590.68 - Step 6: Final answer
x = 374,305.94
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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.