Finding the Fourth Proportional to 229,721.19, 344,581.58 and 71,961.95
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Solution
The fourth proportional to 229,721.19, 344,581.58 and 71,961.95 is: 107,942.86
Step by Step Solution
- Step 1: Write the proportion equation
229,721.19 : 344,581.58 = 71,961.95 : x - Step 2: Convert to fraction form
229,721.19/344,581.58 = 71,961.95/x - Step 3: Cross multiply
229,721.19x = 344,581.58 × 71,961.95 - Step 4: Simplify right side
229,721.19x = 24,796,762,430.88 - Step 5: Solve for x
x = 24,796,762,430.88/229,721.19 - Step 6: Final answer
x = 107,942.86
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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.