Finding the Fourth Proportional to 214,646.49, 296,213.29 and 134,120.75
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Solution
The fourth proportional to 214,646.49, 296,213.29 and 134,120.75 is: 185,087.33
Step by Step Solution
- Step 1: Write the proportion equation
214,646.49 : 296,213.29 = 134,120.75 : x - Step 2: Convert to fraction form
214,646.49/296,213.29 = 134,120.75/x - Step 3: Cross multiply
214,646.49x = 296,213.29 × 134,120.75 - Step 4: Simplify right side
214,646.49x = 39,728,346,798.40 - Step 5: Solve for x
x = 39,728,346,798.40/214,646.49 - Step 6: Final answer
x = 185,087.33
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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.