Finding the Fourth Proportional to 115,717.56, 173,590.02 and 40,822.08
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Solution
The fourth proportional to 115,717.56, 173,590.02 and 40,822.08 is: 61,237.95
Step by Step Solution
- Step 1: Write the proportion equation
115,717.56 : 173,590.02 = 40,822.08 : x - Step 2: Convert to fraction form
115,717.56/173,590.02 = 40,822.08/x - Step 3: Cross multiply
115,717.56x = 173,590.02 × 40,822.08 - Step 4: Simplify right side
115,717.56x = 7,086,305,683.64 - Step 5: Solve for x
x = 7,086,305,683.64/115,717.56 - Step 6: Final answer
x = 61,237.95
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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.