Finding the Fourth Proportional to 268,464.84, 402,687.96 and 68,786.88
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Solution
The fourth proportional to 268,464.84, 402,687.96 and 68,786.88 is: 103,177.94
Step by Step Solution
- Step 1: Write the proportion equation
268,464.84 : 402,687.96 = 68,786.88 : x - Step 2: Convert to fraction form
268,464.84/402,687.96 = 68,786.88/x - Step 3: Cross multiply
268,464.84x = 402,687.96 × 68,786.88 - Step 4: Simplify right side
268,464.84x = 27,699,648,381.96 - Step 5: Solve for x
x = 27,699,648,381.96/268,464.84 - Step 6: Final answer
x = 103,177.94
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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.