Finding the Fourth Proportional to 73,850.28, 110,849.28 and 38,863.68
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Solution
The fourth proportional to 73,850.28, 110,849.28 and 38,863.68 is: 58,334.39
Step by Step Solution
- Step 1: Write the proportion equation
73,850.28 : 110,849.28 = 38,863.68 : x - Step 2: Convert to fraction form
73,850.28/110,849.28 = 38,863.68/x - Step 3: Cross multiply
73,850.28x = 110,849.28 × 38,863.68 - Step 4: Simplify right side
73,850.28x = 4,308,010,946.15 - Step 5: Solve for x
x = 4,308,010,946.15/73,850.28 - Step 6: Final answer
x = 58,334.39
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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.