Finding the Fourth Proportional to 255,898.62, 383,847.93 and 131,160.06
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Solution
The fourth proportional to 255,898.62, 383,847.93 and 131,160.06 is: 196,740.09
Step by Step Solution
- Step 1: Write the proportion equation
255,898.62 : 383,847.93 = 131,160.06 : x - Step 2: Convert to fraction form
255,898.62/383,847.93 = 131,160.06/x - Step 3: Cross multiply
255,898.62x = 383,847.93 × 131,160.06 - Step 4: Simplify right side
255,898.62x = 50,345,517,529.68 - Step 5: Solve for x
x = 50,345,517,529.68/255,898.62 - Step 6: Final answer
x = 196,740.09
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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.