Finding the Fourth Proportional to 312,846.44, 469,337.98 and 113,145.98
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Solution
The fourth proportional to 312,846.44, 469,337.98 and 113,145.98 is: 169,743.68
Step by Step Solution
- Step 1: Write the proportion equation
312,846.44 : 469,337.98 = 113,145.98 : x - Step 2: Convert to fraction form
312,846.44/469,337.98 = 113,145.98/x - Step 3: Cross multiply
312,846.44x = 469,337.98 × 113,145.98 - Step 4: Simplify right side
312,846.44x = 53,103,705,698.32 - Step 5: Solve for x
x = 53,103,705,698.32/312,846.44 - Step 6: Final answer
x = 169,743.68
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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.