Finding the Fourth Proportional to 209,203.46, 288,699.19 and 113,710.84
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Solution
The fourth proportional to 209,203.46, 288,699.19 and 113,710.84 is: 156,920.09
Step by Step Solution
- Step 1: Write the proportion equation
209,203.46 : 288,699.19 = 113,710.84 : x - Step 2: Convert to fraction form
209,203.46/288,699.19 = 113,710.84/x - Step 3: Cross multiply
209,203.46x = 288,699.19 × 113,710.84 - Step 4: Simplify right side
209,203.46x = 32,828,226,396.19 - Step 5: Solve for x
x = 32,828,226,396.19/209,203.46 - Step 6: Final answer
x = 156,920.09
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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.