Finding the Fourth Proportional to 347,107.75, 520,462.36 and 136,630.87
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Solution
The fourth proportional to 347,107.75, 520,462.36 and 136,630.87 is: 204,867.87
Step by Step Solution
- Step 1: Write the proportion equation
347,107.75 : 520,462.36 = 136,630.87 : x - Step 2: Convert to fraction form
347,107.75/520,462.36 = 136,630.87/x - Step 3: Cross multiply
347,107.75x = 520,462.36 × 136,630.87 - Step 4: Simplify right side
347,107.75x = 71,111,225,049.05 - Step 5: Solve for x
x = 71,111,225,049.05/347,107.75 - Step 6: Final answer
x = 204,867.87
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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.