Finding the Fourth Proportional to 231,728.99, 347,599.55 and 73,957.32
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Solution
The fourth proportional to 231,728.99, 347,599.55 and 73,957.32 is: 110,937.92
Step by Step Solution
- Step 1: Write the proportion equation
231,728.99 : 347,599.55 = 73,957.32 : x - Step 2: Convert to fraction form
231,728.99/347,599.55 = 73,957.32/x - Step 3: Cross multiply
231,728.99x = 347,599.55 × 73,957.32 - Step 4: Simplify right side
231,728.99x = 25,707,531,336.10 - Step 5: Solve for x
x = 25,707,531,336.10/231,728.99 - Step 6: Final answer
x = 110,937.92
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1.5x scale
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.