Finding the Fourth Proportional to 215,742.36, 323,186.36 and 101,734.08
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Solution
The fourth proportional to 215,742.36, 323,186.36 and 101,734.08 is: 152,399.68
Step by Step Solution
- Step 1: Write the proportion equation
215,742.36 : 323,186.36 = 101,734.08 : x - Step 2: Convert to fraction form
215,742.36/323,186.36 = 101,734.08/x - Step 3: Cross multiply
215,742.36x = 323,186.36 × 101,734.08 - Step 4: Simplify right side
215,742.36x = 32,879,067,003.15 - Step 5: Solve for x
x = 32,879,067,003.15/215,742.36 - Step 6: Final answer
x = 152,399.68
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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.