Finding the Fourth Proportional to 217,757.47, 326,509.04 and 84,481.99
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Solution
The fourth proportional to 217,757.47, 326,509.04 and 84,481.99 is: 126,673.65
Step by Step Solution
- Step 1: Write the proportion equation
217,757.47 : 326,509.04 = 84,481.99 : x - Step 2: Convert to fraction form
217,757.47/326,509.04 = 84,481.99/x - Step 3: Cross multiply
217,757.47x = 326,509.04 × 84,481.99 - Step 4: Simplify right side
217,757.47x = 27,584,133,029.78 - Step 5: Solve for x
x = 27,584,133,029.78/217,757.47 - Step 6: Final answer
x = 126,673.65
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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.