Finding the Fourth Proportional to 106,540.05, 159,792.63 and 43,357.62
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Solution
The fourth proportional to 106,540.05, 159,792.63 and 43,357.62 is: 65,029.32
Step by Step Solution
- Step 1: Write the proportion equation
106,540.05 : 159,792.63 = 43,357.62 : x - Step 2: Convert to fraction form
106,540.05/159,792.63 = 43,357.62/x - Step 3: Cross multiply
106,540.05x = 159,792.63 × 43,357.62 - Step 4: Simplify right side
106,540.05x = 6,928,227,114.59 - Step 5: Solve for x
x = 6,928,227,114.59/106,540.05 - Step 6: Final answer
x = 65,029.32
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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.