Finding the Fourth Proportional to 302,939.20, 418,087.20 and 182,119.84
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Solution
The fourth proportional to 302,939.20, 418,087.20 and 182,119.84 is: 251,344.08
Step by Step Solution
- Step 1: Write the proportion equation
302,939.20 : 418,087.20 = 182,119.84 : x - Step 2: Convert to fraction form
302,939.20/418,087.20 = 182,119.84/x - Step 3: Cross multiply
302,939.20x = 418,087.20 × 182,119.84 - Step 4: Simplify right side
302,939.20x = 76,141,973,970.05 - Step 5: Solve for x
x = 76,141,973,970.05/302,939.20 - Step 6: Final answer
x = 251,344.08
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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.