Finding the Fourth Proportional to 115,720.80, 173,590.80 and 36,832.80
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Solution
The fourth proportional to 115,720.80, 173,590.80 and 36,832.80 is: 55,252.26
Step by Step Solution
- Step 1: Write the proportion equation
115,720.80 : 173,590.80 = 36,832.80 : x - Step 2: Convert to fraction form
115,720.80/173,590.80 = 36,832.80/x - Step 3: Cross multiply
115,720.80x = 173,590.80 × 36,832.80 - Step 4: Simplify right side
115,720.80x = 6,393,835,218.24 - Step 5: Solve for x
x = 6,393,835,218.24/115,720.80 - Step 6: Final answer
x = 55,252.26
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1.5x scale
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.