Finding the Fourth Proportional to 497,101.44, 686,047.68 and 306,226.56
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Solution
The fourth proportional to 497,101.44, 686,047.68 and 306,226.56 is: 422,622.03
Step by Step Solution
- Step 1: Write the proportion equation
497,101.44 : 686,047.68 = 306,226.56 : x - Step 2: Convert to fraction form
497,101.44/686,047.68 = 306,226.56/x - Step 3: Cross multiply
497,101.44x = 686,047.68 × 306,226.56 - Step 4: Simplify right side
497,101.44x = 210,086,021,042.38 - Step 5: Solve for x
x = 210,086,021,042.38/497,101.44 - Step 6: Final answer
x = 422,622.03
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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.