Finding the Fourth Proportional to 118,338.60, 177,323.58 and 74,470.44
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Solution
The fourth proportional to 118,338.60, 177,323.58 and 74,470.44 is: 111,589.67
Step by Step Solution
- Step 1: Write the proportion equation
118,338.60 : 177,323.58 = 74,470.44 : x - Step 2: Convert to fraction form
118,338.60/177,323.58 = 74,470.44/x - Step 3: Cross multiply
118,338.60x = 177,323.58 × 74,470.44 - Step 4: Simplify right side
118,338.60x = 13,205,365,024.98 - Step 5: Solve for x
x = 13,205,365,024.98/118,338.60 - Step 6: Final answer
x = 111,589.67
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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.