Finding the Fourth Proportional to 166,778.82, 250,207.79 and 54,459.09
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Solution
The fourth proportional to 166,778.82, 250,207.79 and 54,459.09 is: 81,701.55
Step by Step Solution
- Step 1: Write the proportion equation
166,778.82 : 250,207.79 = 54,459.09 : x - Step 2: Convert to fraction form
166,778.82/250,207.79 = 54,459.09/x - Step 3: Cross multiply
166,778.82x = 250,207.79 × 54,459.09 - Step 4: Simplify right side
166,778.82x = 13,626,088,282.02 - Step 5: Solve for x
x = 13,626,088,282.02/166,778.82 - Step 6: Final answer
x = 81,701.55
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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.