Finding the Fourth Proportional to 347,610.99, 522,289.97 and 221,307.62
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Solution
The fourth proportional to 347,610.99, 522,289.97 and 221,307.62 is: 332,517.53
Step by Step Solution
- Step 1: Write the proportion equation
347,610.99 : 522,289.97 = 221,307.62 : x - Step 2: Convert to fraction form
347,610.99/522,289.97 = 221,307.62/x - Step 3: Cross multiply
347,610.99x = 522,289.97 × 221,307.62 - Step 4: Simplify right side
347,610.99x = 115,586,749,104.03 - Step 5: Solve for x
x = 115,586,749,104.03/347,610.99 - Step 6: Final answer
x = 332,517.53
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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.