Finding the Fourth Proportional to 98,378.74, 147,480.44 and 36,034.66
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Solution
The fourth proportional to 98,378.74, 147,480.44 and 36,034.66 is: 54,019.88
Step by Step Solution
- Step 1: Write the proportion equation
98,378.74 : 147,480.44 = 36,034.66 : x - Step 2: Convert to fraction form
98,378.74/147,480.44 = 36,034.66/x - Step 3: Cross multiply
98,378.74x = 147,480.44 × 36,034.66 - Step 4: Simplify right side
98,378.74x = 5,314,407,512.05 - Step 5: Solve for x
x = 5,314,407,512.05/98,378.74 - Step 6: Final answer
x = 54,019.88
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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.