Finding the Fourth Proportional to 177,982.68, 266,945.94 and 83,278.56
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Solution
The fourth proportional to 177,982.68, 266,945.94 and 83,278.56 is: 124,904.70
Step by Step Solution
- Step 1: Write the proportion equation
177,982.68 : 266,945.94 = 83,278.56 : x - Step 2: Convert to fraction form
177,982.68/266,945.94 = 83,278.56/x - Step 3: Cross multiply
177,982.68x = 266,945.94 × 83,278.56 - Step 4: Simplify right side
177,982.68x = 22,230,873,481.05 - Step 5: Solve for x
x = 22,230,873,481.05/177,982.68 - Step 6: Final answer
x = 124,904.70
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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.