Finding the Fourth Proportional to 354,889.95, 531,796.30 and 260,183.19
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Solution
The fourth proportional to 354,889.95, 531,796.30 and 260,183.19 is: 389,879.90
Step by Step Solution
- Step 1: Write the proportion equation
354,889.95 : 531,796.30 = 260,183.19 : x - Step 2: Convert to fraction form
354,889.95/531,796.30 = 260,183.19/x - Step 3: Cross multiply
354,889.95x = 531,796.30 × 260,183.19 - Step 4: Simplify right side
354,889.95x = 138,364,457,764.20 - Step 5: Solve for x
x = 138,364,457,764.20/354,889.95 - Step 6: Final answer
x = 389,879.90
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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.