Finding the Fourth Proportional to 204,652.88, 306,965.09 and 76,544.80
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Solution
The fourth proportional to 204,652.88, 306,965.09 and 76,544.80 is: 114,811.88
Step by Step Solution
- Step 1: Write the proportion equation
204,652.88 : 306,965.09 = 76,544.80 : x - Step 2: Convert to fraction form
204,652.88/306,965.09 = 76,544.80/x - Step 3: Cross multiply
204,652.88x = 306,965.09 × 76,544.80 - Step 4: Simplify right side
204,652.88x = 23,496,580,844.98 - Step 5: Solve for x
x = 23,496,580,844.98/204,652.88 - Step 6: Final answer
x = 114,811.88
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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.