Finding the Fourth Proportional to 136,943.36, 205,376.14 and 43,446.68
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Solution
The fourth proportional to 136,943.36, 205,376.14 and 43,446.68 is: 65,157.68
Step by Step Solution
- Step 1: Write the proportion equation
136,943.36 : 205,376.14 = 43,446.68 : x - Step 2: Convert to fraction form
136,943.36/205,376.14 = 43,446.68/x - Step 3: Cross multiply
136,943.36x = 205,376.14 × 43,446.68 - Step 4: Simplify right side
136,943.36x = 8,922,911,434.22 - Step 5: Solve for x
x = 8,922,911,434.22/136,943.36 - Step 6: Final answer
x = 65,157.68
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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.