Finding the Fourth Proportional to 177,631.80, 266,739.30 and 118,728.60
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Solution
The fourth proportional to 177,631.80, 266,739.30 and 118,728.60 is: 178,287.80
Step by Step Solution
- Step 1: Write the proportion equation
177,631.80 : 266,739.30 = 118,728.60 : x - Step 2: Convert to fraction form
177,631.80/266,739.30 = 118,728.60/x - Step 3: Cross multiply
177,631.80x = 266,739.30 × 118,728.60 - Step 4: Simplify right side
177,631.80x = 31,669,583,653.98 - Step 5: Solve for x
x = 31,669,583,653.98/177,631.80 - Step 6: Final answer
x = 178,287.80
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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.