Finding the Fourth Proportional to 305,764.40, 457,739.40 and 227,226.80
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Solution
The fourth proportional to 305,764.40, 457,739.40 and 227,226.80 is: 340,166.02
Step by Step Solution
- Step 1: Write the proportion equation
305,764.40 : 457,739.40 = 227,226.80 : x - Step 2: Convert to fraction form
305,764.40/457,739.40 = 227,226.80/x - Step 3: Cross multiply
305,764.40x = 457,739.40 × 227,226.80 - Step 4: Simplify right side
305,764.40x = 104,010,659,095.92 - Step 5: Solve for x
x = 104,010,659,095.92/305,764.40 - Step 6: Final answer
x = 340,166.02
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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.