Finding the Fourth Proportional to 255,704.44, 383,495.08 and 78,212.96
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Solution
The fourth proportional to 255,704.44, 383,495.08 and 78,212.96 is: 117,300.60
Step by Step Solution
- Step 1: Write the proportion equation
255,704.44 : 383,495.08 = 78,212.96 : x - Step 2: Convert to fraction form
255,704.44/383,495.08 = 78,212.96/x - Step 3: Cross multiply
255,704.44x = 383,495.08 × 78,212.96 - Step 4: Simplify right side
255,704.44x = 29,994,285,352.24 - Step 5: Solve for x
x = 29,994,285,352.24/255,704.44 - Step 6: Final answer
x = 117,300.60
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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.