Finding the Fourth Proportional to 268,190.10, 402,511.95 and 110,531.70
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Solution
The fourth proportional to 268,190.10, 402,511.95 and 110,531.70 is: 165,891.02
Step by Step Solution
- Step 1: Write the proportion equation
268,190.10 : 402,511.95 = 110,531.70 : x - Step 2: Convert to fraction form
268,190.10/402,511.95 = 110,531.70/x - Step 3: Cross multiply
268,190.10x = 402,511.95 × 110,531.70 - Step 4: Simplify right side
268,190.10x = 44,490,330,103.82 - Step 5: Solve for x
x = 44,490,330,103.82/268,190.10 - Step 6: Final answer
x = 165,891.02
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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.