Finding the Fourth Proportional to 115,590.88, 173,410.56 and 65,694.08
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Solution
The fourth proportional to 115,590.88, 173,410.56 and 65,694.08 is: 98,554.90
Step by Step Solution
- Step 1: Write the proportion equation
115,590.88 : 173,410.56 = 65,694.08 : x - Step 2: Convert to fraction form
115,590.88/173,410.56 = 65,694.08/x - Step 3: Cross multiply
115,590.88x = 173,410.56 × 65,694.08 - Step 4: Simplify right side
115,590.88x = 11,392,047,201.48 - Step 5: Solve for x
x = 11,392,047,201.48/115,590.88 - Step 6: Final answer
x = 98,554.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.