Finding the Fourth Proportional to 371,118.54, 512,143.62 and 201,352.68
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Solution
The fourth proportional to 371,118.54, 512,143.62 and 201,352.68 is: 277,866.72
Step by Step Solution
- Step 1: Write the proportion equation
371,118.54 : 512,143.62 = 201,352.68 : x - Step 2: Convert to fraction form
371,118.54/512,143.62 = 201,352.68/x - Step 3: Cross multiply
371,118.54x = 512,143.62 × 201,352.68 - Step 4: Simplify right side
371,118.54x = 103,121,490,431.90 - Step 5: Solve for x
x = 103,121,490,431.90/371,118.54 - Step 6: Final answer
x = 277,866.72
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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.