Finding the Fourth Proportional to 98,790.40, 148,180.37 and 27,717.98
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Solution
The fourth proportional to 98,790.40, 148,180.37 and 27,717.98 is: 41,575.50
Step by Step Solution
- Step 1: Write the proportion equation
98,790.40 : 148,180.37 = 27,717.98 : x - Step 2: Convert to fraction form
98,790.40/148,180.37 = 27,717.98/x - Step 3: Cross multiply
98,790.40x = 148,180.37 × 27,717.98 - Step 4: Simplify right side
98,790.40x = 4,107,260,393.46 - Step 5: Solve for x
x = 4,107,260,393.46/98,790.40 - Step 6: Final answer
x = 41,575.50
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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.