Finding the Fourth Proportional to 371,122.54, 512,149.14 and 201,356.68
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Solution
The fourth proportional to 371,122.54, 512,149.14 and 201,356.68 is: 277,872.24
Step by Step Solution
- Step 1: Write the proportion equation
371,122.54 : 512,149.14 = 201,356.68 : x - Step 2: Convert to fraction form
371,122.54/512,149.14 = 201,356.68/x - Step 3: Cross multiply
371,122.54x = 512,149.14 × 201,356.68 - Step 4: Simplify right side
371,122.54x = 103,124,650,495.26 - Step 5: Solve for x
x = 103,124,650,495.26/371,122.54 - Step 6: Final answer
x = 277,872.24
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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.