Finding the Fourth Proportional to 121,449.75, 182,203.80 and 38,343.75
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Solution
The fourth proportional to 121,449.75, 182,203.80 and 38,343.75 is: 57,524.84
Step by Step Solution
- Step 1: Write the proportion equation
121,449.75 : 182,203.80 = 38,343.75 : x - Step 2: Convert to fraction form
121,449.75/182,203.80 = 38,343.75/x - Step 3: Cross multiply
121,449.75x = 182,203.80 × 38,343.75 - Step 4: Simplify right side
121,449.75x = 6,986,376,956.25 - Step 5: Solve for x
x = 6,986,376,956.25/121,449.75 - Step 6: Final answer
x = 57,524.84
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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.