Finding the Fourth Proportional to 151,146.72, 226,470.96 and 87,788.99
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Solution
The fourth proportional to 151,146.72, 226,470.96 and 87,788.99 is: 131,538.79
Step by Step Solution
- Step 1: Write the proportion equation
151,146.72 : 226,470.96 = 87,788.99 : x - Step 2: Convert to fraction form
151,146.72/226,470.96 = 87,788.99/x - Step 3: Cross multiply
151,146.72x = 226,470.96 × 87,788.99 - Step 4: Simplify right side
151,146.72x = 19,881,655,874.98 - Step 5: Solve for x
x = 19,881,655,874.98/151,146.72 - Step 6: Final answer
x = 131,538.79
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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.