Finding the Fourth Proportional to 209,056.28, 288,497.97 and 113,562.95
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Solution
The fourth proportional to 209,056.28, 288,497.97 and 113,562.95 is: 156,717.03
Step by Step Solution
- Step 1: Write the proportion equation
209,056.28 : 288,497.97 = 113,562.95 : x - Step 2: Convert to fraction form
209,056.28/288,497.97 = 113,562.95/x - Step 3: Cross multiply
209,056.28x = 288,497.97 × 113,562.95 - Step 4: Simplify right side
209,056.28x = 32,762,679,099.72 - Step 5: Solve for x
x = 32,762,679,099.72/209,056.28 - Step 6: Final answer
x = 156,717.03
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.