Finding the Fourth Proportional to 372,190.36, 513,739.80 and 211,152.44
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Solution
The fourth proportional to 372,190.36, 513,739.80 and 211,152.44 is: 291,456.80
Step by Step Solution
- Step 1: Write the proportion equation
372,190.36 : 513,739.80 = 211,152.44 : x - Step 2: Convert to fraction form
372,190.36/513,739.80 = 211,152.44/x - Step 3: Cross multiply
372,190.36x = 513,739.80 × 211,152.44 - Step 4: Simplify right side
372,190.36x = 108,477,412,295.11 - Step 5: Solve for x
x = 108,477,412,295.11/372,190.36 - Step 6: Final answer
x = 291,456.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.