Finding the Fourth Proportional to 211,668.21, 292,101.75 and 121,025.88
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Solution
The fourth proportional to 211,668.21, 292,101.75 and 121,025.88 is: 167,015.50
Step by Step Solution
- Step 1: Write the proportion equation
211,668.21 : 292,101.75 = 121,025.88 : x - Step 2: Convert to fraction form
211,668.21/292,101.75 = 121,025.88/x - Step 3: Cross multiply
211,668.21x = 292,101.75 × 121,025.88 - Step 4: Simplify right side
211,668.21x = 35,351,871,343.29 - Step 5: Solve for x
x = 35,351,871,343.29/211,668.21 - Step 6: Final answer
x = 167,015.50
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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.