Finding the Fourth Proportional to 234,736.17, 323,906.21 and 139,224.21
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Solution
The fourth proportional to 234,736.17, 323,906.21 and 139,224.21 is: 192,111.80
Step by Step Solution
- Step 1: Write the proportion equation
234,736.17 : 323,906.21 = 139,224.21 : x - Step 2: Convert to fraction form
234,736.17/323,906.21 = 139,224.21/x - Step 3: Cross multiply
234,736.17x = 323,906.21 × 139,224.21 - Step 4: Simplify right side
234,736.17x = 45,095,587,764.05 - Step 5: Solve for x
x = 45,095,587,764.05/234,736.17 - Step 6: Final answer
x = 192,111.80
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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.