Finding the Fourth Proportional to 196,149.60, 269,836.98 and 171,841.08
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Solution
The fourth proportional to 196,149.60, 269,836.98 and 171,841.08 is: 236,396.50
Step by Step Solution
- Step 1: Write the proportion equation
196,149.60 : 269,836.98 = 171,841.08 : x - Step 2: Convert to fraction form
196,149.60/269,836.98 = 171,841.08/x - Step 3: Cross multiply
196,149.60x = 269,836.98 × 171,841.08 - Step 4: Simplify right side
196,149.60x = 46,369,078,067.14 - Step 5: Solve for x
x = 46,369,078,067.14/196,149.60 - Step 6: Final answer
x = 236,396.50
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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.