Finding the Fourth Proportional to 204,035.55, 305,751.99 and 98,729.07
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Solution
The fourth proportional to 204,035.55, 305,751.99 and 98,729.07 is: 147,947.79
Step by Step Solution
- Step 1: Write the proportion equation
204,035.55 : 305,751.99 = 98,729.07 : x - Step 2: Convert to fraction form
204,035.55/305,751.99 = 98,729.07/x - Step 3: Cross multiply
204,035.55x = 305,751.99 × 98,729.07 - Step 4: Simplify right side
204,035.55x = 30,186,609,623.35 - Step 5: Solve for x
x = 30,186,609,623.35/204,035.55 - Step 6: Final answer
x = 147,947.79
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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.