Finding the Fourth Proportional to 497,732.58, 686,862.18 and 271,378.08
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Solution
The fourth proportional to 497,732.58, 686,862.18 and 271,378.08 is: 374,496.96
Step by Step Solution
- Step 1: Write the proportion equation
497,732.58 : 686,862.18 = 271,378.08 : x - Step 2: Convert to fraction form
497,732.58/686,862.18 = 271,378.08/x - Step 3: Cross multiply
497,732.58x = 686,862.18 × 271,378.08 - Step 4: Simplify right side
497,732.58x = 186,399,339,633.01 - Step 5: Solve for x
x = 186,399,339,633.01/497,732.58 - Step 6: Final answer
x = 374,496.96
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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.