Finding the Fourth Proportional to 118,657.53, 177,970.50 and 39,772.44
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Solution
The fourth proportional to 118,657.53, 177,970.50 and 39,772.44 is: 59,653.37
Step by Step Solution
- Step 1: Write the proportion equation
118,657.53 : 177,970.50 = 39,772.44 : x - Step 2: Convert to fraction form
118,657.53/177,970.50 = 39,772.44/x - Step 3: Cross multiply
118,657.53x = 177,970.50 × 39,772.44 - Step 4: Simplify right side
118,657.53x = 7,078,321,033.02 - Step 5: Solve for x
x = 7,078,321,033.02/118,657.53 - Step 6: Final answer
x = 59,653.37
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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.