Finding the Fourth Proportional to 252,232.51, 378,350.13 and 74,741.06
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Solution
The fourth proportional to 252,232.51, 378,350.13 and 74,741.06 is: 112,111.99
Step by Step Solution
- Step 1: Write the proportion equation
252,232.51 : 378,350.13 = 74,741.06 : x - Step 2: Convert to fraction form
252,232.51/378,350.13 = 74,741.06/x - Step 3: Cross multiply
252,232.51x = 378,350.13 × 74,741.06 - Step 4: Simplify right side
252,232.51x = 28,278,289,767.34 - Step 5: Solve for x
x = 28,278,289,767.34/252,232.51 - Step 6: Final answer
x = 112,111.99
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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.