Finding the Fourth Proportional to 194,520.51, 291,811.86 and 82,201.80
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Solution
The fourth proportional to 194,520.51, 291,811.86 and 82,201.80 is: 123,315.84
Step by Step Solution
- Step 1: Write the proportion equation
194,520.51 : 291,811.86 = 82,201.80 : x - Step 2: Convert to fraction form
194,520.51/291,811.86 = 82,201.80/x - Step 3: Cross multiply
194,520.51x = 291,811.86 × 82,201.80 - Step 4: Simplify right side
194,520.51x = 23,987,460,153.35 - Step 5: Solve for x
x = 23,987,460,153.35/194,520.51 - Step 6: Final answer
x = 123,315.84
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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.