Finding the Fourth Proportional to 252,986.09, 349,121.14 and 145,553.96
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Solution
The fourth proportional to 252,986.09, 349,121.14 and 145,553.96 is: 200,864.66
Step by Step Solution
- Step 1: Write the proportion equation
252,986.09 : 349,121.14 = 145,553.96 : x - Step 2: Convert to fraction form
252,986.09/349,121.14 = 145,553.96/x - Step 3: Cross multiply
252,986.09x = 349,121.14 × 145,553.96 - Step 4: Simplify right side
252,986.09x = 50,815,964,955.63 - Step 5: Solve for x
x = 50,815,964,955.63/252,986.09 - Step 6: Final answer
x = 200,864.66
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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.