Finding the Fourth Proportional to 116,320.30, 160,517.97 and 71,074.02
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Solution
The fourth proportional to 116,320.30, 160,517.97 and 71,074.02 is: 98,079.68
Step by Step Solution
- Step 1: Write the proportion equation
116,320.30 : 160,517.97 = 71,074.02 : x - Step 2: Convert to fraction form
116,320.30/160,517.97 = 71,074.02/x - Step 3: Cross multiply
116,320.30x = 160,517.97 × 71,074.02 - Step 4: Simplify right side
116,320.30x = 11,408,657,410.14 - Step 5: Solve for x
x = 11,408,657,410.14/116,320.30 - Step 6: Final answer
x = 98,079.68
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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.