Finding the Fourth Proportional to 303,475.92, 418,796.80 and 167,509.91
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Solution
The fourth proportional to 303,475.92, 418,796.80 and 167,509.91 is: 231,163.70
Step by Step Solution
- Step 1: Write the proportion equation
303,475.92 : 418,796.80 = 167,509.91 : x - Step 2: Convert to fraction form
303,475.92/418,796.80 = 167,509.91/x - Step 3: Cross multiply
303,475.92x = 418,796.80 × 167,509.91 - Step 4: Simplify right side
303,475.92x = 70,152,614,276.29 - Step 5: Solve for x
x = 70,152,614,276.29/303,475.92 - Step 6: Final answer
x = 231,163.70
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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.