Finding the Fourth Proportional to 86,203.53, 129,310.16 and 26,233.96
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Solution
The fourth proportional to 86,203.53, 129,310.16 and 26,233.96 is: 39,352.43
Step by Step Solution
- Step 1: Write the proportion equation
86,203.53 : 129,310.16 = 26,233.96 : x - Step 2: Convert to fraction form
86,203.53/129,310.16 = 26,233.96/x - Step 3: Cross multiply
86,203.53x = 129,310.16 × 26,233.96 - Step 4: Simplify right side
86,203.53x = 3,392,318,009.25 - Step 5: Solve for x
x = 3,392,318,009.25/86,203.53 - Step 6: Final answer
x = 39,352.43
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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.