Finding the Fourth Proportional to 216,889.44, 299,304.50 and 121,396.11
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Solution
The fourth proportional to 216,889.44, 299,304.50 and 121,396.11 is: 167,524.99
Step by Step Solution
- Step 1: Write the proportion equation
216,889.44 : 299,304.50 = 121,396.11 : x - Step 2: Convert to fraction form
216,889.44/299,304.50 = 121,396.11/x - Step 3: Cross multiply
216,889.44x = 299,304.50 × 121,396.11 - Step 4: Simplify right side
216,889.44x = 36,334,401,398.51 - Step 5: Solve for x
x = 36,334,401,398.51/216,889.44 - Step 6: Final answer
x = 167,524.99
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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.