Finding the Fourth Proportional to 250,092.84, 375,198.94 and 81,613.48
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Solution
The fourth proportional to 250,092.84, 375,198.94 and 81,613.48 is: 122,439.69
Step by Step Solution
- Step 1: Write the proportion equation
250,092.84 : 375,198.94 = 81,613.48 : x - Step 2: Convert to fraction form
250,092.84/375,198.94 = 81,613.48/x - Step 3: Cross multiply
250,092.84x = 375,198.94 × 81,613.48 - Step 4: Simplify right side
250,092.84x = 30,621,289,538.91 - Step 5: Solve for x
x = 30,621,289,538.91/250,092.84 - Step 6: Final answer
x = 122,439.69
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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.