Finding the Fourth Proportional to 118,517.61, 177,794.09 and 43,631.99
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Solution
The fourth proportional to 118,517.61, 177,794.09 and 43,631.99 is: 65,454.49
Step by Step Solution
- Step 1: Write the proportion equation
118,517.61 : 177,794.09 = 43,631.99 : x - Step 2: Convert to fraction form
118,517.61/177,794.09 = 43,631.99/x - Step 3: Cross multiply
118,517.61x = 177,794.09 × 43,631.99 - Step 4: Simplify right side
118,517.61x = 7,757,509,956.94 - Step 5: Solve for x
x = 7,757,509,956.94/118,517.61 - Step 6: Final answer
x = 65,454.49
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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.