Finding the Fourth Proportional to 378,592.93, 522,514.82 and 242,780.23
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Solution
The fourth proportional to 378,592.93, 522,514.82 and 242,780.23 is: 335,073.00
Step by Step Solution
- Step 1: Write the proportion equation
378,592.93 : 522,514.82 = 242,780.23 : x - Step 2: Convert to fraction form
378,592.93/522,514.82 = 242,780.23/x - Step 3: Cross multiply
378,592.93x = 522,514.82 × 242,780.23 - Step 4: Simplify right side
378,592.93x = 126,856,268,178.01 - Step 5: Solve for x
x = 126,856,268,178.01/378,592.93 - Step 6: Final answer
x = 335,073.00
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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.