Finding the Fourth Proportional to 116,347.52, 160,542.09 and 65,350.49
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Solution
The fourth proportional to 116,347.52, 160,542.09 and 65,350.49 is: 90,173.84
Step by Step Solution
- Step 1: Write the proportion equation
116,347.52 : 160,542.09 = 65,350.49 : x - Step 2: Convert to fraction form
116,347.52/160,542.09 = 65,350.49/x - Step 3: Cross multiply
116,347.52x = 160,542.09 × 65,350.49 - Step 4: Simplify right side
116,347.52x = 10,491,503,444.41 - Step 5: Solve for x
x = 10,491,503,444.41/116,347.52 - Step 6: Final answer
x = 90,173.84
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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.