Finding the Fourth Proportional to 251,668.02, 347,291.58 and 144,163.32
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Solution
The fourth proportional to 251,668.02, 347,291.58 and 144,163.32 is: 198,939.49
Step by Step Solution
- Step 1: Write the proportion equation
251,668.02 : 347,291.58 = 144,163.32 : x - Step 2: Convert to fraction form
251,668.02/347,291.58 = 144,163.32/x - Step 3: Cross multiply
251,668.02x = 347,291.58 × 144,163.32 - Step 4: Simplify right side
251,668.02x = 50,066,707,180.85 - Step 5: Solve for x
x = 50,066,707,180.85/251,668.02 - Step 6: Final answer
x = 198,939.49
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1.5x scale
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.