Finding the Fourth Proportional to 234,850.12, 351,872.52 and 157,768.66
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Solution
The fourth proportional to 234,850.12, 351,872.52 and 157,768.66 is: 236,382.49
Step by Step Solution
- Step 1: Write the proportion equation
234,850.12 : 351,872.52 = 157,768.66 : x - Step 2: Convert to fraction form
234,850.12/351,872.52 = 157,768.66/x - Step 3: Cross multiply
234,850.12x = 351,872.52 × 157,768.66 - Step 4: Simplify right side
234,850.12x = 55,514,455,971.22 - Step 5: Solve for x
x = 55,514,455,971.22/234,850.12 - Step 6: Final answer
x = 236,382.49
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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.