Finding the Fourth Proportional to 218,053.71, 327,207.45 and 91,684.80
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Solution
The fourth proportional to 218,053.71, 327,207.45 and 91,684.80 is: 137,580.55
Step by Step Solution
- Step 1: Write the proportion equation
218,053.71 : 327,207.45 = 91,684.80 : x - Step 2: Convert to fraction form
218,053.71/327,207.45 = 91,684.80/x - Step 3: Cross multiply
218,053.71x = 327,207.45 × 91,684.80 - Step 4: Simplify right side
218,053.71x = 29,999,949,611.76 - Step 5: Solve for x
x = 29,999,949,611.76/218,053.71 - Step 6: Final answer
x = 137,580.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.