Finding the Fourth Proportional to 252,353.40, 378,530.10 and 207,252.60
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Solution
The fourth proportional to 252,353.40, 378,530.10 and 207,252.60 is: 310,878.90
Step by Step Solution
- Step 1: Write the proportion equation
252,353.40 : 378,530.10 = 207,252.60 : x - Step 2: Convert to fraction form
252,353.40/378,530.10 = 207,252.60/x - Step 3: Cross multiply
252,353.40x = 378,530.10 × 207,252.60 - Step 4: Simplify right side
252,353.40x = 78,451,347,403.26 - Step 5: Solve for x
x = 78,451,347,403.26/252,353.40 - Step 6: Final answer
x = 310,878.90
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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.