Finding the Fourth Proportional to 365,743.80, 548,615.70 and 303,535.80
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Solution
The fourth proportional to 365,743.80, 548,615.70 and 303,535.80 is: 455,303.70
Step by Step Solution
- Step 1: Write the proportion equation
365,743.80 : 548,615.70 = 303,535.80 : x - Step 2: Convert to fraction form
365,743.80/548,615.70 = 303,535.80/x - Step 3: Cross multiply
365,743.80x = 548,615.70 × 303,535.80 - Step 4: Simplify right side
365,743.80x = 166,524,505,392.06 - Step 5: Solve for x
x = 166,524,505,392.06/365,743.80 - Step 6: Final answer
x = 455,303.70
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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.