Finding the Fourth Proportional to 220,842.40, 304,763.97 and 125,350.69
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Solution
The fourth proportional to 220,842.40, 304,763.97 and 125,350.69 is: 172,984.78
Step by Step Solution
- Step 1: Write the proportion equation
220,842.40 : 304,763.97 = 125,350.69 : x - Step 2: Convert to fraction form
220,842.40/304,763.97 = 125,350.69/x - Step 3: Cross multiply
220,842.40x = 304,763.97 × 125,350.69 - Step 4: Simplify right side
220,842.40x = 38,202,373,926.64 - Step 5: Solve for x
x = 38,202,373,926.64/220,842.40 - Step 6: Final answer
x = 172,984.78
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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.