Finding the Fourth Proportional to 248,330.20, 372,236.10 and 135,837.40
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Solution
The fourth proportional to 248,330.20, 372,236.10 and 135,837.40 is: 203,614.32
Step by Step Solution
- Step 1: Write the proportion equation
248,330.20 : 372,236.10 = 135,837.40 : x - Step 2: Convert to fraction form
248,330.20/372,236.10 = 135,837.40/x - Step 3: Cross multiply
248,330.20x = 372,236.10 × 135,837.40 - Step 4: Simplify right side
248,330.20x = 50,563,584,010.14 - Step 5: Solve for x
x = 50,563,584,010.14/248,330.20 - Step 6: Final answer
x = 203,614.32
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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.