Finding the Fourth Proportional to 248,169.99, 372,219.82 and 79,668.12
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Solution
The fourth proportional to 248,169.99, 372,219.82 and 79,668.12 is: 119,490.89
Step by Step Solution
- Step 1: Write the proportion equation
248,169.99 : 372,219.82 = 79,668.12 : x - Step 2: Convert to fraction form
248,169.99/372,219.82 = 79,668.12/x - Step 3: Cross multiply
248,169.99x = 372,219.82 × 79,668.12 - Step 4: Simplify right side
248,169.99x = 29,654,053,286.14 - Step 5: Solve for x
x = 29,654,053,286.14/248,169.99 - Step 6: Final answer
x = 119,490.89
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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.