Finding the Fourth Proportional to 268,864.50, 403,381.51 and 126,704.03
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Solution
The fourth proportional to 268,864.50, 403,381.51 and 126,704.03 is: 190,095.99
Step by Step Solution
- Step 1: Write the proportion equation
268,864.50 : 403,381.51 = 126,704.03 : x - Step 2: Convert to fraction form
268,864.50/403,381.51 = 126,704.03/x - Step 3: Cross multiply
268,864.50x = 403,381.51 × 126,704.03 - Step 4: Simplify right side
268,864.50x = 51,110,063,592.55 - Step 5: Solve for x
x = 51,110,063,592.55/268,864.50 - Step 6: Final answer
x = 190,095.99
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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.