Finding the Fourth Proportional to 218,239.98, 327,439.93 and 91,912.02
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Solution
The fourth proportional to 218,239.98, 327,439.93 and 91,912.02 is: 137,901.71
Step by Step Solution
- Step 1: Write the proportion equation
218,239.98 : 327,439.93 = 91,912.02 : x - Step 2: Convert to fraction form
218,239.98/327,439.93 = 91,912.02/x - Step 3: Cross multiply
218,239.98x = 327,439.93 × 91,912.02 - Step 4: Simplify right side
218,239.98x = 30,095,665,394.96 - Step 5: Solve for x
x = 30,095,665,394.96/218,239.98 - Step 6: Final answer
x = 137,901.71
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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.