Finding the Fourth Proportional to 116,348.16, 160,542.99 and 65,351.13
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Solution
The fourth proportional to 116,348.16, 160,542.99 and 65,351.13 is: 90,174.75
Step by Step Solution
- Step 1: Write the proportion equation
116,348.16 : 160,542.99 = 65,351.13 : x - Step 2: Convert to fraction form
116,348.16/160,542.99 = 65,351.13/x - Step 3: Cross multiply
116,348.16x = 160,542.99 × 65,351.13 - Step 4: Simplify right side
116,348.16x = 10,491,665,810.08 - Step 5: Solve for x
x = 10,491,665,810.08/116,348.16 - Step 6: Final answer
x = 90,174.75
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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.