Finding the Fourth Proportional to 217,665.08, 326,623.67 and 91,294.08
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Solution
The fourth proportional to 217,665.08, 326,623.67 and 91,294.08 is: 136,993.99
Step by Step Solution
- Step 1: Write the proportion equation
217,665.08 : 326,623.67 = 91,294.08 : x - Step 2: Convert to fraction form
217,665.08/326,623.67 = 91,294.08/x - Step 3: Cross multiply
217,665.08x = 326,623.67 × 91,294.08 - Step 4: Simplify right side
217,665.08x = 29,818,807,458.87 - Step 5: Solve for x
x = 29,818,807,458.87/217,665.08 - Step 6: Final answer
x = 136,993.99
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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.