Finding the Fourth Proportional to 255,034.80, 351,933.93 and 141,850.26
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Solution
The fourth proportional to 255,034.80, 351,933.93 and 141,850.26 is: 195,745.52
Step by Step Solution
- Step 1: Write the proportion equation
255,034.80 : 351,933.93 = 141,850.26 : x - Step 2: Convert to fraction form
255,034.80/351,933.93 = 141,850.26/x - Step 3: Cross multiply
255,034.80x = 351,933.93 × 141,850.26 - Step 4: Simplify right side
255,034.80x = 49,921,919,473.32 - Step 5: Solve for x
x = 49,921,919,473.32/255,034.80 - Step 6: Final answer
x = 195,745.52
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1.5x scale
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.