Finding the Fourth Proportional to 198,579.13, 274,041.93 and 107,935.03
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Solution
The fourth proportional to 198,579.13, 274,041.93 and 107,935.03 is: 148,951.83
Step by Step Solution
- Step 1: Write the proportion equation
198,579.13 : 274,041.93 = 107,935.03 : x - Step 2: Convert to fraction form
198,579.13/274,041.93 = 107,935.03/x - Step 3: Cross multiply
198,579.13x = 274,041.93 × 107,935.03 - Step 4: Simplify right side
198,579.13x = 29,578,723,935.81 - Step 5: Solve for x
x = 29,578,723,935.81/198,579.13 - Step 6: Final answer
x = 148,951.83
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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.