Finding the Fourth Proportional to 215,912.19, 323,228.58 and 160,003.26
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Solution
The fourth proportional to 215,912.19, 323,228.58 and 160,003.26 is: 239,530.83
Step by Step Solution
- Step 1: Write the proportion equation
215,912.19 : 323,228.58 = 160,003.26 : x - Step 2: Convert to fraction form
215,912.19/323,228.58 = 160,003.26/x - Step 3: Cross multiply
215,912.19x = 323,228.58 × 160,003.26 - Step 4: Simplify right side
215,912.19x = 51,717,626,525.17 - Step 5: Solve for x
x = 51,717,626,525.17/215,912.19 - Step 6: Final answer
x = 239,530.83
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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.