Finding the Fourth Proportional to 355,346.19, 490,378.01 and 194,201.24
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Solution
The fourth proportional to 355,346.19, 490,378.01 and 194,201.24 is: 267,997.85
Step by Step Solution
- Step 1: Write the proportion equation
355,346.19 : 490,378.01 = 194,201.24 : x - Step 2: Convert to fraction form
355,346.19/490,378.01 = 194,201.24/x - Step 3: Cross multiply
355,346.19x = 490,378.01 × 194,201.24 - Step 4: Simplify right side
355,346.19x = 95,232,014,187.84 - Step 5: Solve for x
x = 95,232,014,187.84/355,346.19 - Step 6: Final answer
x = 267,997.85
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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.