Finding the Fourth Proportional to 229,153.07, 343,728.99 and 129,267.92
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Solution
The fourth proportional to 229,153.07, 343,728.99 and 129,267.92 is: 193,901.53
Step by Step Solution
- Step 1: Write the proportion equation
229,153.07 : 343,728.99 = 129,267.92 : x - Step 2: Convert to fraction form
229,153.07/343,728.99 = 129,267.92/x - Step 3: Cross multiply
229,153.07x = 343,728.99 × 129,267.92 - Step 4: Simplify right side
229,153.07x = 44,433,131,581.00 - Step 5: Solve for x
x = 44,433,131,581.00/229,153.07 - Step 6: Final answer
x = 193,901.53
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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.