Finding the Fourth Proportional to 263,292.39, 363,342.70 and 142,433.64
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Solution
The fourth proportional to 263,292.39, 363,342.70 and 142,433.64 is: 196,557.99
Step by Step Solution
- Step 1: Write the proportion equation
263,292.39 : 363,342.70 = 142,433.64 : x - Step 2: Convert to fraction form
263,292.39/363,342.70 = 142,433.64/x - Step 3: Cross multiply
263,292.39x = 363,342.70 × 142,433.64 - Step 4: Simplify right side
263,292.39x = 51,752,222,558.14 - Step 5: Solve for x
x = 51,752,222,558.14/263,292.39 - Step 6: Final answer
x = 196,557.99
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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.