Finding the Fourth Proportional to 248,122.20, 372,183.30 and 90,355.80
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Solution
The fourth proportional to 248,122.20, 372,183.30 and 90,355.80 is: 135,533.70
Step by Step Solution
- Step 1: Write the proportion equation
248,122.20 : 372,183.30 = 90,355.80 : x - Step 2: Convert to fraction form
248,122.20/372,183.30 = 90,355.80/x - Step 3: Cross multiply
248,122.20x = 372,183.30 × 90,355.80 - Step 4: Simplify right side
248,122.20x = 33,628,919,818.14 - Step 5: Solve for x
x = 33,628,919,818.14/248,122.20 - Step 6: Final answer
x = 135,533.70
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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.