Finding the Fourth Proportional to 311,529.68, 430,054.48 and 182,450.21
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Solution
The fourth proportional to 311,529.68, 430,054.48 and 182,450.21 is: 251,865.34
Step by Step Solution
- Step 1: Write the proportion equation
311,529.68 : 430,054.48 = 182,450.21 : x - Step 2: Convert to fraction form
311,529.68/430,054.48 = 182,450.21/x - Step 3: Cross multiply
311,529.68x = 430,054.48 × 182,450.21 - Step 4: Simplify right side
311,529.68x = 78,463,529,309.81 - Step 5: Solve for x
x = 78,463,529,309.81/311,529.68 - Step 6: Final answer
x = 251,865.34
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1.5x scale
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.