Finding the Fourth Proportional to 217,013.24, 299,474.99 and 121,523.36
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Solution
The fourth proportional to 217,013.24, 299,474.99 and 121,523.36 is: 167,700.39
Step by Step Solution
- Step 1: Write the proportion equation
217,013.24 : 299,474.99 = 121,523.36 : x - Step 2: Convert to fraction form
217,013.24/299,474.99 = 121,523.36/x - Step 3: Cross multiply
217,013.24x = 299,474.99 × 121,523.36 - Step 4: Simplify right side
217,013.24x = 36,393,205,523.39 - Step 5: Solve for x
x = 36,393,205,523.39/217,013.24 - Step 6: Final answer
x = 167,700.39
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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.