Finding the Fourth Proportional to 371,125.54, 512,153.28 and 201,359.68
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Solution
The fourth proportional to 371,125.54, 512,153.28 and 201,359.68 is: 277,876.38
Step by Step Solution
- Step 1: Write the proportion equation
371,125.54 : 512,153.28 = 201,359.68 : x - Step 2: Convert to fraction form
371,125.54/512,153.28 = 201,359.68/x - Step 3: Cross multiply
371,125.54x = 512,153.28 × 201,359.68 - Step 4: Simplify right side
371,125.54x = 103,127,020,571.75 - Step 5: Solve for x
x = 103,127,020,571.75/371,125.54 - Step 6: Final answer
x = 277,876.38
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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.