Finding the Fourth Proportional to 371,201.70, 512,259.68 and 201,435.78
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Solution
The fourth proportional to 371,201.70, 512,259.68 and 201,435.78 is: 277,982.10
Step by Step Solution
- Step 1: Write the proportion equation
371,201.70 : 512,259.68 = 201,435.78 : x - Step 2: Convert to fraction form
371,201.70/512,259.68 = 201,435.78/x - Step 3: Cross multiply
371,201.70x = 512,259.68 × 201,435.78 - Step 4: Simplify right side
371,201.70x = 103,187,428,203.35 - Step 5: Solve for x
x = 103,187,428,203.35/371,201.70 - Step 6: Final answer
x = 277,982.10
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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.