Finding the Fourth Proportional to 98,240.14, 135,571.36 and 53,528.14
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Solution
The fourth proportional to 98,240.14, 135,571.36 and 53,528.14 is: 73,868.82
Step by Step Solution
- Step 1: Write the proportion equation
98,240.14 : 135,571.36 = 53,528.14 : x - Step 2: Convert to fraction form
98,240.14/135,571.36 = 53,528.14/x - Step 3: Cross multiply
98,240.14x = 135,571.36 × 53,528.14 - Step 4: Simplify right side
98,240.14x = 7,256,882,738.07 - Step 5: Solve for x
x = 7,256,882,738.07/98,240.14 - Step 6: Final answer
x = 73,868.82
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1.5x scale
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.