Finding the Fourth Proportional to 667,516.02, 1,001,335.50 and 218,239.26
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Solution
The fourth proportional to 667,516.02, 1,001,335.50 and 218,239.26 is: 327,378.99
Step by Step Solution
- Step 1: Write the proportion equation
667,516.02 : 1,001,335.50 = 218,239.26 : x - Step 2: Convert to fraction form
667,516.02/1,001,335.50 = 218,239.26/x - Step 3: Cross multiply
667,516.02x = 1,001,335.50 × 218,239.26 - Step 4: Simplify right side
667,516.02x = 218,530,718,531.73 - Step 5: Solve for x
x = 218,530,718,531.73/667,516.02 - Step 6: Final answer
x = 327,378.99
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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.