Finding the Fourth Proportional to 268,546.70, 402,474.45 and 205,906.70
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Solution
The fourth proportional to 268,546.70, 402,474.45 and 205,906.70 is: 308,595.06
Step by Step Solution
- Step 1: Write the proportion equation
268,546.70 : 402,474.45 = 205,906.70 : x - Step 2: Convert to fraction form
268,546.70/402,474.45 = 205,906.70/x - Step 3: Cross multiply
268,546.70x = 402,474.45 × 205,906.70 - Step 4: Simplify right side
268,546.70x = 82,872,185,833.82 - Step 5: Solve for x
x = 82,872,185,833.82/268,546.70 - Step 6: Final answer
x = 308,595.06
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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.