Finding the Fourth Proportional to 209,188.44, 288,681.84 and 113,695.14
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Solution
The fourth proportional to 209,188.44, 288,681.84 and 113,695.14 is: 156,900.27
Step by Step Solution
- Step 1: Write the proportion equation
209,188.44 : 288,681.84 = 113,695.14 : x - Step 2: Convert to fraction form
209,188.44/288,681.84 = 113,695.14/x - Step 3: Cross multiply
209,188.44x = 288,681.84 × 113,695.14 - Step 4: Simplify right side
209,188.44x = 32,821,722,214.26 - Step 5: Solve for x
x = 32,821,722,214.26/209,188.44 - Step 6: Final answer
x = 156,900.27
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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.