Finding the Fourth Proportional to 255,898.44, 383,847.62 and 68,909.94
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Solution
The fourth proportional to 255,898.44, 383,847.62 and 68,909.94 is: 103,364.90
Step by Step Solution
- Step 1: Write the proportion equation
255,898.44 : 383,847.62 = 68,909.94 : x - Step 2: Convert to fraction form
255,898.44/383,847.62 = 68,909.94/x - Step 3: Cross multiply
255,898.44x = 383,847.62 × 68,909.94 - Step 4: Simplify right side
255,898.44x = 26,450,916,118.79 - Step 5: Solve for x
x = 26,450,916,118.79/255,898.44 - Step 6: Final answer
x = 103,364.90
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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.