Finding the Fourth Proportional to 497,489.52, 686,536.20 and 271,135.02
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Solution
The fourth proportional to 497,489.52, 686,536.20 and 271,135.02 is: 374,166.69
Step by Step Solution
- Step 1: Write the proportion equation
497,489.52 : 686,536.20 = 271,135.02 : x - Step 2: Convert to fraction form
497,489.52/686,536.20 = 271,135.02/x - Step 3: Cross multiply
497,489.52x = 686,536.20 × 271,135.02 - Step 4: Simplify right side
497,489.52x = 186,144,006,317.72 - Step 5: Solve for x
x = 186,144,006,317.72/497,489.52 - Step 6: Final answer
x = 374,166.69
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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.