Finding the Fourth Proportional to 216,049.21, 298,147.93 and 119,253.09
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Solution
The fourth proportional to 216,049.21, 298,147.93 and 119,253.09 is: 164,569.28
Step by Step Solution
- Step 1: Write the proportion equation
216,049.21 : 298,147.93 = 119,253.09 : x - Step 2: Convert to fraction form
216,049.21/298,147.93 = 119,253.09/x - Step 3: Cross multiply
216,049.21x = 298,147.93 × 119,253.09 - Step 4: Simplify right side
216,049.21x = 35,555,063,196.72 - Step 5: Solve for x
x = 35,555,063,196.72/216,049.21 - Step 6: Final answer
x = 164,569.28
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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.