Finding the Fourth Proportional to 371,705.46, 512,955.99 and 201,939.54
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Solution
The fourth proportional to 371,705.46, 512,955.99 and 201,939.54 is: 278,677.90
Step by Step Solution
- Step 1: Write the proportion equation
371,705.46 : 512,955.99 = 201,939.54 : x - Step 2: Convert to fraction form
371,705.46/512,955.99 = 201,939.54/x - Step 3: Cross multiply
371,705.46x = 512,955.99 × 201,939.54 - Step 4: Simplify right side
371,705.46x = 103,586,096,660.85 - Step 5: Solve for x
x = 103,586,096,660.85/371,705.46 - Step 6: Final answer
x = 278,677.90
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.