Finding the Fourth Proportional to 180,105.14, 248,434.97 and 115,552.43
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Solution
The fourth proportional to 180,105.14, 248,434.97 and 115,552.43 is: 159,391.70
Step by Step Solution
- Step 1: Write the proportion equation
180,105.14 : 248,434.97 = 115,552.43 : x - Step 2: Convert to fraction form
180,105.14/248,434.97 = 115,552.43/x - Step 3: Cross multiply
180,105.14x = 248,434.97 × 115,552.43 - Step 4: Simplify right side
180,105.14x = 28,707,264,480.48 - Step 5: Solve for x
x = 28,707,264,480.48/180,105.14 - Step 6: Final answer
x = 159,391.70
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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.