Finding the Fourth Proportional to 371,476.96, 512,640.30 and 201,711.13
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Solution
The fourth proportional to 371,476.96, 512,640.30 and 201,711.13 is: 278,362.50
Step by Step Solution
- Step 1: Write the proportion equation
371,476.96 : 512,640.30 = 201,711.13 : x - Step 2: Convert to fraction form
371,476.96/512,640.30 = 201,711.13/x - Step 3: Cross multiply
371,476.96x = 512,640.30 × 201,711.13 - Step 4: Simplify right side
371,476.96x = 103,405,254,196.54 - Step 5: Solve for x
x = 103,405,254,196.54/371,476.96 - Step 6: Final answer
x = 278,362.50
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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.