Finding the Fourth Proportional to 216,880.22, 299,291.60 and 120,074.79
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Solution
The fourth proportional to 216,880.22, 299,291.60 and 120,074.79 is: 165,701.49
Step by Step Solution
- Step 1: Write the proportion equation
216,880.22 : 299,291.60 = 120,074.79 : x - Step 2: Convert to fraction form
216,880.22/299,291.60 = 120,074.79/x - Step 3: Cross multiply
216,880.22x = 299,291.60 × 120,074.79 - Step 4: Simplify right side
216,880.22x = 35,937,375,418.39 - Step 5: Solve for x
x = 35,937,375,418.39/216,880.22 - Step 6: Final answer
x = 165,701.49
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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.