Finding the Fourth Proportional to 248,816.20, 373,224.30 and 91,157.80
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Solution
The fourth proportional to 248,816.20, 373,224.30 and 91,157.80 is: 136,736.70
Step by Step Solution
- Step 1: Write the proportion equation
248,816.20 : 373,224.30 = 91,157.80 : x - Step 2: Convert to fraction form
248,816.20/373,224.30 = 91,157.80/x - Step 3: Cross multiply
248,816.20x = 373,224.30 × 91,157.80 - Step 4: Simplify right side
248,816.20x = 34,022,306,094.54 - Step 5: Solve for x
x = 34,022,306,094.54/248,816.20 - Step 6: Final answer
x = 136,736.70
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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.