Finding the Fourth Proportional to 255,252.42, 382,849.61 and 68,278.50
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Solution
The fourth proportional to 255,252.42, 382,849.61 and 68,278.50 is: 102,409.99
Step by Step Solution
- Step 1: Write the proportion equation
255,252.42 : 382,849.61 = 68,278.50 : x - Step 2: Convert to fraction form
255,252.42/382,849.61 = 68,278.50/x - Step 3: Cross multiply
255,252.42x = 382,849.61 × 68,278.50 - Step 4: Simplify right side
255,252.42x = 26,140,396,754.99 - Step 5: Solve for x
x = 26,140,396,754.99/255,252.42 - Step 6: Final answer
x = 102,409.99
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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.