Finding the Fourth Proportional to 211,552.24, 291,967.93 and 120,912.03
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Solution
The fourth proportional to 211,552.24, 291,967.93 and 120,912.03 is: 166,873.37
Step by Step Solution
- Step 1: Write the proportion equation
211,552.24 : 291,967.93 = 120,912.03 : x - Step 2: Convert to fraction form
211,552.24/291,967.93 = 120,912.03/x - Step 3: Cross multiply
211,552.24x = 291,967.93 × 120,912.03 - Step 4: Simplify right side
211,552.24x = 35,302,435,111.20 - Step 5: Solve for x
x = 35,302,435,111.20/211,552.24 - Step 6: Final answer
x = 166,873.37
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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.