Finding the Fourth Proportional to 497,431.44, 686,435.40 and 271,072.08
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Solution
The fourth proportional to 497,431.44, 686,435.40 and 271,072.08 is: 374,068.58
Step by Step Solution
- Step 1: Write the proportion equation
497,431.44 : 686,435.40 = 271,072.08 : x - Step 2: Convert to fraction form
497,431.44/686,435.40 = 271,072.08/x - Step 3: Cross multiply
497,431.44x = 686,435.40 × 271,072.08 - Step 4: Simplify right side
497,431.44x = 186,073,471,663.63 - Step 5: Solve for x
x = 186,073,471,663.63/497,431.44 - Step 6: Final answer
x = 374,068.58
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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.