Finding the Fourth Proportional to 211,825.99, 292,284.35 and 121,163.22
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Solution
The fourth proportional to 211,825.99, 292,284.35 and 121,163.22 is: 167,184.93
Step by Step Solution
- Step 1: Write the proportion equation
211,825.99 : 292,284.35 = 121,163.22 : x - Step 2: Convert to fraction form
211,825.99/292,284.35 = 121,163.22/x - Step 3: Cross multiply
211,825.99x = 292,284.35 × 121,163.22 - Step 4: Simplify right side
211,825.99x = 35,414,112,028.10 - Step 5: Solve for x
x = 35,414,112,028.10/211,825.99 - Step 6: Final answer
x = 167,184.93
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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.