Finding the Fourth Proportional to 378,451.96, 567,691.35 and 94,143.99
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Solution
The fourth proportional to 378,451.96, 567,691.35 and 94,143.99 is: 141,219.32
Step by Step Solution
- Step 1: Write the proportion equation
378,451.96 : 567,691.35 = 94,143.99 : x - Step 2: Convert to fraction form
378,451.96/567,691.35 = 94,143.99/x - Step 3: Cross multiply
378,451.96x = 567,691.35 × 94,143.99 - Step 4: Simplify right side
378,451.96x = 53,444,728,777.49 - Step 5: Solve for x
x = 53,444,728,777.49/378,451.96 - Step 6: Final answer
x = 141,219.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.