Finding the Fourth Proportional to 249,229.14, 343,942.11 and 136,052.70
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Solution
The fourth proportional to 249,229.14, 343,942.11 and 136,052.70 is: 187,755.95
Step by Step Solution
- Step 1: Write the proportion equation
249,229.14 : 343,942.11 = 136,052.70 : x - Step 2: Convert to fraction form
249,229.14/343,942.11 = 136,052.70/x - Step 3: Cross multiply
249,229.14x = 343,942.11 × 136,052.70 - Step 4: Simplify right side
249,229.14x = 46,794,252,709.20 - Step 5: Solve for x
x = 46,794,252,709.20/249,229.14 - Step 6: Final answer
x = 187,755.95
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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.