Finding the Fourth Proportional to 209,490.52, 314,236.42 and 51,718.99
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Solution
The fourth proportional to 209,490.52, 314,236.42 and 51,718.99 is: 77,578.64
Step by Step Solution
- Step 1: Write the proportion equation
209,490.52 : 314,236.42 = 51,718.99 : x - Step 2: Convert to fraction form
209,490.52/314,236.42 = 51,718.99/x - Step 3: Cross multiply
209,490.52x = 314,236.42 × 51,718.99 - Step 4: Simplify right side
209,490.52x = 16,251,988,563.14 - Step 5: Solve for x
x = 16,251,988,563.14/209,490.52 - Step 6: Final answer
x = 77,578.64
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.