Finding the Fourth Proportional to 266,161.66, 398,910.34 and 133,079.98
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Solution
The fourth proportional to 266,161.66, 398,910.34 and 133,079.98 is: 199,453.89
Step by Step Solution
- Step 1: Write the proportion equation
266,161.66 : 398,910.34 = 133,079.98 : x - Step 2: Convert to fraction form
266,161.66/398,910.34 = 133,079.98/x - Step 3: Cross multiply
266,161.66x = 398,910.34 × 133,079.98 - Step 4: Simplify right side
266,161.66x = 53,086,977,835.26 - Step 5: Solve for x
x = 53,086,977,835.26/266,161.66 - Step 6: Final answer
x = 199,453.89
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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.