Finding the Fourth Proportional to 252,463.36, 348,393.60 and 139,286.08
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Solution
The fourth proportional to 252,463.36, 348,393.60 and 139,286.08 is: 192,211.57
Step by Step Solution
- Step 1: Write the proportion equation
252,463.36 : 348,393.60 = 139,286.08 : x - Step 2: Convert to fraction form
252,463.36/348,393.60 = 139,286.08/x - Step 3: Cross multiply
252,463.36x = 348,393.60 × 139,286.08 - Step 4: Simplify right side
252,463.36x = 48,526,378,841.09 - Step 5: Solve for x
x = 48,526,378,841.09/252,463.36 - Step 6: Final answer
x = 192,211.57
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.