Finding the Fourth Proportional to 252,234.51, 378,353.13 and 74,743.06
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Solution
The fourth proportional to 252,234.51, 378,353.13 and 74,743.06 is: 112,114.99
Step by Step Solution
- Step 1: Write the proportion equation
252,234.51 : 378,353.13 = 74,743.06 : x - Step 2: Convert to fraction form
252,234.51/378,353.13 = 74,743.06/x - Step 3: Cross multiply
252,234.51x = 378,353.13 × 74,743.06 - Step 4: Simplify right side
252,234.51x = 28,279,270,696.78 - Step 5: Solve for x
x = 28,279,270,696.78/252,234.51 - Step 6: Final answer
x = 112,114.99
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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.