Finding the Fourth Proportional to 255,076.70, 382,658.52 and 105,234.99
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Solution
The fourth proportional to 255,076.70, 382,658.52 and 105,234.99 is: 157,870.42
Step by Step Solution
- Step 1: Write the proportion equation
255,076.70 : 382,658.52 = 105,234.99 : x - Step 2: Convert to fraction form
255,076.70/382,658.52 = 105,234.99/x - Step 3: Cross multiply
255,076.70x = 382,658.52 × 105,234.99 - Step 4: Simplify right side
255,076.70x = 40,269,065,525.61 - Step 5: Solve for x
x = 40,269,065,525.61/255,076.70 - Step 6: Final answer
x = 157,870.42
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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.