Finding the Fourth Proportional to 371,206.44, 512,753.22 and 284,640.12
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Solution
The fourth proportional to 371,206.44, 512,753.22 and 284,640.12 is: 393,177.82
Step by Step Solution
- Step 1: Write the proportion equation
371,206.44 : 512,753.22 = 284,640.12 : x - Step 2: Convert to fraction form
371,206.44/512,753.22 = 284,640.12/x - Step 3: Cross multiply
371,206.44x = 512,753.22 × 284,640.12 - Step 4: Simplify right side
371,206.44x = 145,950,138,071.19 - Step 5: Solve for x
x = 145,950,138,071.19/371,206.44 - Step 6: Final answer
x = 393,177.82
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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.