Finding the Fourth Proportional to 177,747.96, 266,621.64 and 71,179.84
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Solution
The fourth proportional to 177,747.96, 266,621.64 and 71,179.84 is: 106,769.64
Step by Step Solution
- Step 1: Write the proportion equation
177,747.96 : 266,621.64 = 71,179.84 : x - Step 2: Convert to fraction form
177,747.96/266,621.64 = 71,179.84/x - Step 3: Cross multiply
177,747.96x = 266,621.64 × 71,179.84 - Step 4: Simplify right side
177,747.96x = 18,978,085,675.74 - Step 5: Solve for x
x = 18,978,085,675.74/177,747.96 - Step 6: Final answer
x = 106,769.64
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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.