Finding the Fourth Proportional to 378,447.96, 567,685.35 and 94,139.99
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Solution
The fourth proportional to 378,447.96, 567,685.35 and 94,139.99 is: 141,213.31
Step by Step Solution
- Step 1: Write the proportion equation
378,447.96 : 567,685.35 = 94,139.99 : x - Step 2: Convert to fraction form
378,447.96/567,685.35 = 94,139.99/x - Step 3: Cross multiply
378,447.96x = 567,685.35 × 94,139.99 - Step 4: Simplify right side
378,447.96x = 53,441,890,333.72 - Step 5: Solve for x
x = 53,441,890,333.72/378,447.96 - Step 6: Final answer
x = 141,213.31
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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.