Finding the Fourth Proportional to 371,277.88, 512,363.98 and 201,512.02
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Solution
The fourth proportional to 371,277.88, 512,363.98 and 201,512.02 is: 278,086.86
Step by Step Solution
- Step 1: Write the proportion equation
371,277.88 : 512,363.98 = 201,512.02 : x - Step 2: Convert to fraction form
371,277.88/512,363.98 = 201,512.02/x - Step 3: Cross multiply
371,277.88x = 512,363.98 × 201,512.02 - Step 4: Simplify right side
371,277.88x = 103,247,500,585.04 - Step 5: Solve for x
x = 103,247,500,585.04/371,277.88 - Step 6: Final answer
x = 278,086.86
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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.