Finding the Fourth Proportional to 255,941.12, 383,911.68 and 131,202.56
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Solution
The fourth proportional to 255,941.12, 383,911.68 and 131,202.56 is: 196,803.84
Step by Step Solution
- Step 1: Write the proportion equation
255,941.12 : 383,911.68 = 131,202.56 : x - Step 2: Convert to fraction form
255,941.12/383,911.68 = 131,202.56/x - Step 3: Cross multiply
255,941.12x = 383,911.68 × 131,202.56 - Step 4: Simplify right side
255,941.12x = 50,370,195,229.90 - Step 5: Solve for x
x = 50,370,195,229.90/255,941.12 - Step 6: Final answer
x = 196,803.84
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1.5x scale
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.