Finding the Fourth Proportional to 266,163.80, 399,245.70 and 262,664.60
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Solution
The fourth proportional to 266,163.80, 399,245.70 and 262,664.60 is: 393,996.90
Step by Step Solution
- Step 1: Write the proportion equation
266,163.80 : 399,245.70 = 262,664.60 : x - Step 2: Convert to fraction form
266,163.80/399,245.70 = 262,664.60/x - Step 3: Cross multiply
266,163.80x = 399,245.70 × 262,664.60 - Step 4: Simplify right side
266,163.80x = 104,867,712,092.22 - Step 5: Solve for x
x = 104,867,712,092.22/266,163.80 - Step 6: Final answer
x = 393,996.90
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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.