Finding the Fourth Proportional to 216,859.26, 299,297.28 and 124,960.70
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Solution
The fourth proportional to 216,859.26, 299,297.28 and 124,960.70 is: 172,463.92
Step by Step Solution
- Step 1: Write the proportion equation
216,859.26 : 299,297.28 = 124,960.70 : x - Step 2: Convert to fraction form
216,859.26/299,297.28 = 124,960.70/x - Step 3: Cross multiply
216,859.26x = 299,297.28 × 124,960.70 - Step 4: Simplify right side
216,859.26x = 37,400,397,616.90 - Step 5: Solve for x
x = 37,400,397,616.90/216,859.26 - Step 6: Final answer
x = 172,463.92
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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.