Finding the Fourth Proportional to 214,639.36, 296,187.49 and 119,138.54
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Solution
The fourth proportional to 214,639.36, 296,187.49 and 119,138.54 is: 164,402.95
Step by Step Solution
- Step 1: Write the proportion equation
214,639.36 : 296,187.49 = 119,138.54 : x - Step 2: Convert to fraction form
214,639.36/296,187.49 = 119,138.54/x - Step 3: Cross multiply
214,639.36x = 296,187.49 × 119,138.54 - Step 4: Simplify right side
214,639.36x = 35,287,343,346.08 - Step 5: Solve for x
x = 35,287,343,346.08/214,639.36 - Step 6: Final answer
x = 164,402.95
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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.