Finding the Fourth Proportional to 177,812.60, 266,891.70 and 107,828.60
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Solution
The fourth proportional to 177,812.60, 266,891.70 and 107,828.60 is: 161,847.69
Step by Step Solution
- Step 1: Write the proportion equation
177,812.60 : 266,891.70 = 107,828.60 : x - Step 2: Convert to fraction form
177,812.60/266,891.70 = 107,828.60/x - Step 3: Cross multiply
177,812.60x = 266,891.70 × 107,828.60 - Step 4: Simplify right side
177,812.60x = 28,778,558,362.62 - Step 5: Solve for x
x = 28,778,558,362.62/177,812.60 - Step 6: Final answer
x = 161,847.69
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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.