Finding the Fourth Proportional to 115,965.23, 173,972.63 and 36,001.44
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Solution
The fourth proportional to 115,965.23, 173,972.63 and 36,001.44 is: 54,009.86
Step by Step Solution
- Step 1: Write the proportion equation
115,965.23 : 173,972.63 = 36,001.44 : x - Step 2: Convert to fraction form
115,965.23/173,972.63 = 36,001.44/x - Step 3: Cross multiply
115,965.23x = 173,972.63 × 36,001.44 - Step 4: Simplify right side
115,965.23x = 6,263,265,290.59 - Step 5: Solve for x
x = 6,263,265,290.59/115,965.23 - Step 6: Final answer
x = 54,009.86
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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.