Finding the Fourth Proportional to 271,124.63, 406,930.86 and 144,872.79
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Solution
The fourth proportional to 271,124.63, 406,930.86 and 144,872.79 is: 217,439.52
Step by Step Solution
- Step 1: Write the proportion equation
271,124.63 : 406,930.86 = 144,872.79 : x - Step 2: Convert to fraction form
271,124.63/406,930.86 = 144,872.79/x - Step 3: Cross multiply
271,124.63x = 406,930.86 × 144,872.79 - Step 4: Simplify right side
271,124.63x = 58,953,208,750.53 - Step 5: Solve for x
x = 58,953,208,750.53/271,124.63 - Step 6: Final answer
x = 217,439.52
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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.