Finding the Fourth Proportional to 217,934.55, 326,910.87 and 68,177.70
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Solution
The fourth proportional to 217,934.55, 326,910.87 and 68,177.70 is: 102,269.38
Step by Step Solution
- Step 1: Write the proportion equation
217,934.55 : 326,910.87 = 68,177.70 : x - Step 2: Convert to fraction form
217,934.55/326,910.87 = 68,177.70/x - Step 3: Cross multiply
217,934.55x = 326,910.87 × 68,177.70 - Step 4: Simplify right side
217,934.55x = 22,288,031,221.60 - Step 5: Solve for x
x = 22,288,031,221.60/217,934.55 - Step 6: Final answer
x = 102,269.38
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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.