Finding the Fourth Proportional to 250,509.32, 345,739.79 and 158,636.99
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Solution
The fourth proportional to 250,509.32, 345,739.79 and 158,636.99 is: 218,942.43
Step by Step Solution
- Step 1: Write the proportion equation
250,509.32 : 345,739.79 = 158,636.99 : x - Step 2: Convert to fraction form
250,509.32/345,739.79 = 158,636.99/x - Step 3: Cross multiply
250,509.32x = 345,739.79 × 158,636.99 - Step 4: Simplify right side
250,509.32x = 54,847,117,086.95 - Step 5: Solve for x
x = 54,847,117,086.95/250,509.32 - Step 6: Final answer
x = 218,942.43
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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.