Finding the Fourth Proportional to 336,163.80, 504,245.70 and 122,931.30
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Solution
The fourth proportional to 336,163.80, 504,245.70 and 122,931.30 is: 184,396.95
Step by Step Solution
- Step 1: Write the proportion equation
336,163.80 : 504,245.70 = 122,931.30 : x - Step 2: Convert to fraction form
336,163.80/504,245.70 = 122,931.30/x - Step 3: Cross multiply
336,163.80x = 504,245.70 × 122,931.30 - Step 4: Simplify right side
336,163.80x = 61,987,579,420.41 - Step 5: Solve for x
x = 61,987,579,420.41/336,163.80 - Step 6: Final answer
x = 184,396.95
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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.