Finding the Fourth Proportional to 371,442.97, 512,563.30 and 210,261.07
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Solution
The fourth proportional to 371,442.97, 512,563.30 and 210,261.07 is: 290,144.43
Step by Step Solution
- Step 1: Write the proportion equation
371,442.97 : 512,563.30 = 210,261.07 : x - Step 2: Convert to fraction form
371,442.97/512,563.30 = 210,261.07/x - Step 3: Cross multiply
371,442.97x = 512,563.30 × 210,261.07 - Step 4: Simplify right side
371,442.97x = 107,772,107,900.73 - Step 5: Solve for x
x = 107,772,107,900.73/371,442.97 - Step 6: Final answer
x = 290,144.43
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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.