Finding the Fourth Proportional to 217,667.09, 326,626.68 and 91,296.08
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Solution
The fourth proportional to 217,667.09, 326,626.68 and 91,296.08 is: 136,996.98
Step by Step Solution
- Step 1: Write the proportion equation
217,667.09 : 326,626.68 = 91,296.08 : x - Step 2: Convert to fraction form
217,667.09/326,626.68 = 91,296.08/x - Step 3: Cross multiply
217,667.09x = 326,626.68 × 91,296.08 - Step 4: Simplify right side
217,667.09x = 29,819,733,874.28 - Step 5: Solve for x
x = 29,819,733,874.28/217,667.09 - Step 6: Final answer
x = 136,996.98
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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.