Finding the Fourth Proportional to 371,201.44, 512,259.42 and 201,435.61
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Solution
The fourth proportional to 371,201.44, 512,259.42 and 201,435.61 is: 277,981.92
Step by Step Solution
- Step 1: Write the proportion equation
371,201.44 : 512,259.42 = 201,435.61 : x - Step 2: Convert to fraction form
371,201.44/512,259.42 = 201,435.61/x - Step 3: Cross multiply
371,201.44x = 512,259.42 × 201,435.61 - Step 4: Simplify right side
371,201.44x = 103,187,288,745.95 - Step 5: Solve for x
x = 103,187,288,745.95/371,201.44 - Step 6: Final answer
x = 277,981.92
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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.