Finding the Fourth Proportional to 115,288.44, 159,170.76 and 88,381.08
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Solution
The fourth proportional to 115,288.44, 159,170.76 and 88,381.08 is: 122,021.63
Step by Step Solution
- Step 1: Write the proportion equation
115,288.44 : 159,170.76 = 88,381.08 : x - Step 2: Convert to fraction form
115,288.44/159,170.76 = 88,381.08/x - Step 3: Cross multiply
115,288.44x = 159,170.76 × 88,381.08 - Step 4: Simplify right side
115,288.44x = 14,067,683,673.22 - Step 5: Solve for x
x = 14,067,683,673.22/115,288.44 - Step 6: Final answer
x = 122,021.63
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.