Finding the Fourth Proportional to 217,377.47, 299,983.97 and 131,324.49
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Solution
The fourth proportional to 217,377.47, 299,983.97 and 131,324.49 is: 181,229.65
Step by Step Solution
- Step 1: Write the proportion equation
217,377.47 : 299,983.97 = 131,324.49 : x - Step 2: Convert to fraction form
217,377.47/299,983.97 = 131,324.49/x - Step 3: Cross multiply
217,377.47x = 299,983.97 × 131,324.49 - Step 4: Simplify right side
217,377.47x = 39,395,241,868.43 - Step 5: Solve for x
x = 39,395,241,868.43/217,377.47 - Step 6: Final answer
x = 181,229.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.