Finding the Fourth Proportional to 98,789.44, 148,178.90 and 27,716.98
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Solution
The fourth proportional to 98,789.44, 148,178.90 and 27,716.98 is: 41,573.99
Step by Step Solution
- Step 1: Write the proportion equation
98,789.44 : 148,178.90 = 27,716.98 : x - Step 2: Convert to fraction form
98,789.44/148,178.90 = 27,716.98/x - Step 3: Cross multiply
98,789.44x = 148,178.90 × 27,716.98 - Step 4: Simplify right side
98,789.44x = 4,107,071,607.72 - Step 5: Solve for x
x = 4,107,071,607.72/98,789.44 - Step 6: Final answer
x = 41,573.99
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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.