Finding the Fourth Proportional to 497,478.24, 686,536.56 and 271,131.84
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Solution
The fourth proportional to 497,478.24, 686,536.56 and 271,131.84 is: 374,170.98
Step by Step Solution
- Step 1: Write the proportion equation
497,478.24 : 686,536.56 = 271,131.84 : x - Step 2: Convert to fraction form
497,478.24/686,536.56 = 271,131.84/x - Step 3: Cross multiply
497,478.24x = 686,536.56 × 271,131.84 - Step 4: Simplify right side
497,478.24x = 186,141,920,740.07 - Step 5: Solve for x
x = 186,141,920,740.07/497,478.24 - Step 6: Final answer
x = 374,170.98
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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.