Finding the Fourth Proportional to 284,939.80, 427,409.70 and 271,817.80
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Solution
The fourth proportional to 284,939.80, 427,409.70 and 271,817.80 is: 407,726.70
Step by Step Solution
- Step 1: Write the proportion equation
284,939.80 : 427,409.70 = 271,817.80 : x - Step 2: Convert to fraction form
284,939.80/427,409.70 = 271,817.80/x - Step 3: Cross multiply
284,939.80x = 427,409.70 × 271,817.80 - Step 4: Simplify right side
284,939.80x = 116,177,564,352.66 - Step 5: Solve for x
x = 116,177,564,352.66/284,939.80 - Step 6: Final answer
x = 407,726.70
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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.