Finding the Fourth Proportional to 252,084.84, 378,020.34 and 74,544.18
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Solution
The fourth proportional to 252,084.84, 378,020.34 and 74,544.18 is: 111,784.65
Step by Step Solution
- Step 1: Write the proportion equation
252,084.84 : 378,020.34 = 74,544.18 : x - Step 2: Convert to fraction form
252,084.84/378,020.34 = 74,544.18/x - Step 3: Cross multiply
252,084.84x = 378,020.34 × 74,544.18 - Step 4: Simplify right side
252,084.84x = 28,179,216,268.62 - Step 5: Solve for x
x = 28,179,216,268.62/252,084.84 - Step 6: Final answer
x = 111,784.65
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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.