Finding the Fourth Proportional to 268,163.45, 402,159.74 and 88,207.69
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Solution
The fourth proportional to 268,163.45, 402,159.74 and 88,207.69 is: 132,283.43
Step by Step Solution
- Step 1: Write the proportion equation
268,163.45 : 402,159.74 = 88,207.69 : x - Step 2: Convert to fraction form
268,163.45/402,159.74 = 88,207.69/x - Step 3: Cross multiply
268,163.45x = 402,159.74 × 88,207.69 - Step 4: Simplify right side
268,163.45x = 35,473,581,824.97 - Step 5: Solve for x
x = 35,473,581,824.97/268,163.45 - Step 6: Final answer
x = 132,283.43
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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.