Finding the Fourth Proportional to 98,764.16, 148,119.80 and 27,682.80
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Solution
The fourth proportional to 98,764.16, 148,119.80 and 27,682.80 is: 41,516.79
Step by Step Solution
- Step 1: Write the proportion equation
98,764.16 : 148,119.80 = 27,682.80 : x - Step 2: Convert to fraction form
98,764.16/148,119.80 = 27,682.80/x - Step 3: Cross multiply
98,764.16x = 148,119.80 × 27,682.80 - Step 4: Simplify right side
98,764.16x = 4,100,370,799.44 - Step 5: Solve for x
x = 4,100,370,799.44/98,764.16 - Step 6: Final answer
x = 41,516.79
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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.