Finding the Fourth Proportional to 361,704.14, 542,556.43 and 91,852.49
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Solution
The fourth proportional to 361,704.14, 542,556.43 and 91,852.49 is: 137,778.79
Step by Step Solution
- Step 1: Write the proportion equation
361,704.14 : 542,556.43 = 91,852.49 : x - Step 2: Convert to fraction form
361,704.14/542,556.43 = 91,852.49/x - Step 3: Cross multiply
361,704.14x = 542,556.43 × 91,852.49 - Step 4: Simplify right side
361,704.14x = 49,835,156,348.23 - Step 5: Solve for x
x = 49,835,156,348.23/361,704.14 - Step 6: Final answer
x = 137,778.79
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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.