Finding the Fourth Proportional to 173,679.36, 239,673.60 and 98,229.12
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Solution
The fourth proportional to 173,679.36, 239,673.60 and 98,229.12 is: 135,553.97
Step by Step Solution
- Step 1: Write the proportion equation
173,679.36 : 239,673.60 = 98,229.12 : x - Step 2: Convert to fraction form
173,679.36/239,673.60 = 98,229.12/x - Step 3: Cross multiply
173,679.36x = 239,673.60 × 98,229.12 - Step 4: Simplify right side
173,679.36x = 23,542,926,815.23 - Step 5: Solve for x
x = 23,542,926,815.23/173,679.36 - Step 6: Final answer
x = 135,553.97
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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.