Finding the Fourth Proportional to 98,185.75, 135,496.34 and 53,473.75
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Solution
The fourth proportional to 98,185.75, 135,496.34 and 53,473.75 is: 73,793.78
Step by Step Solution
- Step 1: Write the proportion equation
98,185.75 : 135,496.34 = 53,473.75 : x - Step 2: Convert to fraction form
98,185.75/135,496.34 = 53,473.75/x - Step 3: Cross multiply
98,185.75x = 135,496.34 × 53,473.75 - Step 4: Simplify right side
98,185.75x = 7,245,497,411.08 - Step 5: Solve for x
x = 7,245,497,411.08/98,185.75 - Step 6: Final answer
x = 73,793.78
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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.