Finding the Fourth Proportional to 217,506.17, 326,378.17 and 84,391.68
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Solution
The fourth proportional to 217,506.17, 326,378.17 and 84,391.68 is: 126,633.65
Step by Step Solution
- Step 1: Write the proportion equation
217,506.17 : 326,378.17 = 84,391.68 : x - Step 2: Convert to fraction form
217,506.17/326,378.17 = 84,391.68/x - Step 3: Cross multiply
217,506.17x = 326,378.17 × 84,391.68 - Step 4: Simplify right side
217,506.17x = 27,543,600,027.78 - Step 5: Solve for x
x = 27,543,600,027.78/217,506.17 - Step 6: Final answer
x = 126,633.65
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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.