Finding the Fourth Proportional to 86,446.22, 129,664.74 and 26,474.68
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Solution
The fourth proportional to 86,446.22, 129,664.74 and 26,474.68 is: 39,710.61
Step by Step Solution
- Step 1: Write the proportion equation
86,446.22 : 129,664.74 = 26,474.68 : x - Step 2: Convert to fraction form
86,446.22/129,664.74 = 26,474.68/x - Step 3: Cross multiply
86,446.22x = 129,664.74 × 26,474.68 - Step 4: Simplify right side
86,446.22x = 3,432,831,850.46 - Step 5: Solve for x
x = 3,432,831,850.46/86,446.22 - Step 6: Final answer
x = 39,710.61
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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.