Finding the Fourth Proportional to 115,590.86, 173,392.29 and 36,711.26
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Solution
The fourth proportional to 115,590.86, 173,392.29 and 36,711.26 is: 55,068.80
Step by Step Solution
- Step 1: Write the proportion equation
115,590.86 : 173,392.29 = 36,711.26 : x - Step 2: Convert to fraction form
115,590.86/173,392.29 = 36,711.26/x - Step 3: Cross multiply
115,590.86x = 173,392.29 × 36,711.26 - Step 4: Simplify right side
115,590.86x = 6,365,449,440.19 - Step 5: Solve for x
x = 6,365,449,440.19/115,590.86 - Step 6: Final answer
x = 55,068.80
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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.