Finding the Fourth Proportional to 211,622.68, 292,027.66 and 116,121.84
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Solution
The fourth proportional to 211,622.68, 292,027.66 and 116,121.84 is: 160,241.75
Step by Step Solution
- Step 1: Write the proportion equation
211,622.68 : 292,027.66 = 116,121.84 : x - Step 2: Convert to fraction form
211,622.68/292,027.66 = 116,121.84/x - Step 3: Cross multiply
211,622.68x = 292,027.66 × 116,121.84 - Step 4: Simplify right side
211,622.68x = 33,910,789,210.09 - Step 5: Solve for x
x = 33,910,789,210.09/211,622.68 - Step 6: Final answer
x = 160,241.75
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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.