Finding the Fourth Proportional to 118,382.12, 177,571.96 and 68,430.44
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Solution
The fourth proportional to 118,382.12, 177,571.96 and 68,430.44 is: 102,644.94
Step by Step Solution
- Step 1: Write the proportion equation
118,382.12 : 177,571.96 = 68,430.44 : x - Step 2: Convert to fraction form
118,382.12/177,571.96 = 68,430.44/x - Step 3: Cross multiply
118,382.12x = 177,571.96 × 68,430.44 - Step 4: Simplify right side
118,382.12x = 12,151,326,295.53 - Step 5: Solve for x
x = 12,151,326,295.53/118,382.12 - Step 6: Final answer
x = 102,644.94
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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.