Finding the Fourth Proportional to 252,987.09, 349,122.52 and 145,554.97
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Solution
The fourth proportional to 252,987.09, 349,122.52 and 145,554.97 is: 200,866.05
Step by Step Solution
- Step 1: Write the proportion equation
252,987.09 : 349,122.52 = 145,554.97 : x - Step 2: Convert to fraction form
252,987.09/349,122.52 = 145,554.97/x - Step 3: Cross multiply
252,987.09x = 349,122.52 × 145,554.97 - Step 4: Simplify right side
252,987.09x = 50,816,516,179.31 - Step 5: Solve for x
x = 50,816,516,179.31/252,987.09 - Step 6: Final answer
x = 200,866.05
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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.