Finding the Fourth Proportional to 371,194.77, 512,250.18 and 201,428.91
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Solution
The fourth proportional to 371,194.77, 512,250.18 and 201,428.91 is: 277,972.65
Step by Step Solution
- Step 1: Write the proportion equation
371,194.77 : 512,250.18 = 201,428.91 : x - Step 2: Convert to fraction form
371,194.77/512,250.18 = 201,428.91/x - Step 3: Cross multiply
371,194.77x = 512,250.18 × 201,428.91 - Step 4: Simplify right side
371,194.77x = 103,181,995,404.70 - Step 5: Solve for x
x = 103,181,995,404.70/371,194.77 - Step 6: Final answer
x = 277,972.65
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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.