Finding the Fourth Proportional to 211,845.24, 292,224.38 and 126,913.09
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Solution
The fourth proportional to 211,845.24, 292,224.38 and 126,913.09 is: 175,066.95
Step by Step Solution
- Step 1: Write the proportion equation
211,845.24 : 292,224.38 = 126,913.09 : x - Step 2: Convert to fraction form
211,845.24/292,224.38 = 126,913.09/x - Step 3: Cross multiply
211,845.24x = 292,224.38 × 126,913.09 - Step 4: Simplify right side
211,845.24x = 37,087,099,039.13 - Step 5: Solve for x
x = 37,087,099,039.13/211,845.24 - Step 6: Final answer
x = 175,066.95
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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.