Finding the Fourth Proportional to 147,639.09, 221,725.38 and 135,770.97
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Solution
The fourth proportional to 147,639.09, 221,725.38 and 135,770.97 is: 203,901.76
Step by Step Solution
- Step 1: Write the proportion equation
147,639.09 : 221,725.38 = 135,770.97 : x - Step 2: Convert to fraction form
147,639.09/221,725.38 = 135,770.97/x - Step 3: Cross multiply
147,639.09x = 221,725.38 × 135,770.97 - Step 4: Simplify right side
147,639.09x = 30,103,869,916.22 - Step 5: Solve for x
x = 30,103,869,916.22/147,639.09 - Step 6: Final answer
x = 203,901.76
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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.