Finding the Fourth Proportional to 221,553.70, 332,330.55 and 221,553.70
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Solution
The fourth proportional to 221,553.70, 332,330.55 and 221,553.70 is: 332,330.55
Step by Step Solution
- Step 1: Write the proportion equation
221,553.70 : 332,330.55 = 221,553.70 : x - Step 2: Convert to fraction form
221,553.70/332,330.55 = 221,553.70/x - Step 3: Cross multiply
221,553.70x = 332,330.55 × 221,553.70 - Step 4: Simplify right side
221,553.70x = 73,629,062,975.54 - Step 5: Solve for x
x = 73,629,062,975.54/221,553.70 - Step 6: Final answer
x = 332,330.55
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1.5x scale
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.