Finding the Fourth Proportional to 215,125.08, 322,170.84 and 120,121.80
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Solution
The fourth proportional to 215,125.08, 322,170.84 and 120,121.80 is: 179,894.14
Step by Step Solution
- Step 1: Write the proportion equation
215,125.08 : 322,170.84 = 120,121.80 : x - Step 2: Convert to fraction form
215,125.08/322,170.84 = 120,121.80/x - Step 3: Cross multiply
215,125.08x = 322,170.84 × 120,121.80 - Step 4: Simplify right side
215,125.08x = 38,699,741,208.31 - Step 5: Solve for x
x = 38,699,741,208.31/215,125.08 - Step 6: Final answer
x = 179,894.14
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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.