Finding the Fourth Proportional to 255,861.08, 383,793.60 and 98,051.84
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Solution
The fourth proportional to 255,861.08, 383,793.60 and 98,051.84 is: 147,078.52
Step by Step Solution
- Step 1: Write the proportion equation
255,861.08 : 383,793.60 = 98,051.84 : x - Step 2: Convert to fraction form
255,861.08/383,793.60 = 98,051.84/x - Step 3: Cross multiply
255,861.08x = 383,793.60 × 98,051.84 - Step 4: Simplify right side
255,861.08x = 37,631,668,660.22 - Step 5: Solve for x
x = 37,631,668,660.22/255,861.08 - Step 6: Final answer
x = 147,078.52
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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.