Finding the Fourth Proportional to 459,286.99, 688,946.02 and 159,770.15
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Solution
The fourth proportional to 459,286.99, 688,946.02 and 159,770.15 is: 239,660.63
Step by Step Solution
- Step 1: Write the proportion equation
459,286.99 : 688,946.02 = 159,770.15 : x - Step 2: Convert to fraction form
459,286.99/688,946.02 = 159,770.15/x - Step 3: Cross multiply
459,286.99x = 688,946.02 × 159,770.15 - Step 4: Simplify right side
459,286.99x = 110,073,008,957.30 - Step 5: Solve for x
x = 110,073,008,957.30/459,286.99 - Step 6: Final answer
x = 239,660.63
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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.