Finding the Fourth Proportional to 252,169.96, 378,253.74 and 74,677.96
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Solution
The fourth proportional to 252,169.96, 378,253.74 and 74,677.96 is: 112,016.58
Step by Step Solution
- Step 1: Write the proportion equation
252,169.96 : 378,253.74 = 74,677.96 : x - Step 2: Convert to fraction form
252,169.96/378,253.74 = 74,677.96/x - Step 3: Cross multiply
252,169.96x = 378,253.74 × 74,677.96 - Step 4: Simplify right side
252,169.96x = 28,247,217,665.57 - Step 5: Solve for x
x = 28,247,217,665.57/252,169.96 - Step 6: Final answer
x = 112,016.58
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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.