Finding the Fourth Proportional to 255,247.11, 382,870.67 and 68,253.75
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Solution
The fourth proportional to 255,247.11, 382,870.67 and 68,253.75 is: 102,380.63
Step by Step Solution
- Step 1: Write the proportion equation
255,247.11 : 382,870.67 = 68,253.75 : x - Step 2: Convert to fraction form
255,247.11/382,870.67 = 68,253.75/x - Step 3: Cross multiply
255,247.11x = 382,870.67 × 68,253.75 - Step 4: Simplify right side
255,247.11x = 26,132,358,651.24 - Step 5: Solve for x
x = 26,132,358,651.24/255,247.11 - Step 6: Final answer
x = 102,380.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.