Finding the Fourth Proportional to 194,450.80, 291,238.80 and 115,718.80
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Solution
The fourth proportional to 194,450.80, 291,238.80 and 115,718.80 is: 173,317.90
Step by Step Solution
- Step 1: Write the proportion equation
194,450.80 : 291,238.80 = 115,718.80 : x - Step 2: Convert to fraction form
194,450.80/291,238.80 = 115,718.80/x - Step 3: Cross multiply
194,450.80x = 291,238.80 × 115,718.80 - Step 4: Simplify right side
194,450.80x = 33,701,804,449.44 - Step 5: Solve for x
x = 33,701,804,449.44/194,450.80 - Step 6: Final answer
x = 173,317.90
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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.