Finding the Fourth Proportional to 91,550.36, 137,214.64 and 38,849.14
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Solution
The fourth proportional to 91,550.36, 137,214.64 and 38,849.14 is: 58,226.65
Step by Step Solution
- Step 1: Write the proportion equation
91,550.36 : 137,214.64 = 38,849.14 : x - Step 2: Convert to fraction form
91,550.36/137,214.64 = 38,849.14/x - Step 3: Cross multiply
91,550.36x = 137,214.64 × 38,849.14 - Step 4: Simplify right side
91,550.36x = 5,330,670,759.41 - Step 5: Solve for x
x = 5,330,670,759.41/91,550.36 - Step 6: Final answer
x = 58,226.65
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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.