Finding the Fourth Proportional to 356,523.27, 491,988.02 and 213,197.91
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Solution
The fourth proportional to 356,523.27, 491,988.02 and 213,197.91 is: 294,204.69
Step by Step Solution
- Step 1: Write the proportion equation
356,523.27 : 491,988.02 = 213,197.91 : x - Step 2: Convert to fraction form
356,523.27/491,988.02 = 213,197.91/x - Step 3: Cross multiply
356,523.27x = 491,988.02 × 213,197.91 - Step 4: Simplify right side
356,523.27x = 104,890,816,543.05 - Step 5: Solve for x
x = 104,890,816,543.05/356,523.27 - Step 6: Final answer
x = 294,204.69
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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.