Finding the Fourth Proportional to 266,163.38, 399,314.20 and 133,038.26
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Solution
The fourth proportional to 266,163.38, 399,314.20 and 133,038.26 is: 199,591.94
Step by Step Solution
- Step 1: Write the proportion equation
266,163.38 : 399,314.20 = 133,038.26 : x - Step 2: Convert to fraction form
266,163.38/399,314.20 = 133,038.26/x - Step 3: Cross multiply
266,163.38x = 399,314.20 × 133,038.26 - Step 4: Simplify right side
266,163.38x = 53,124,066,361.29 - Step 5: Solve for x
x = 53,124,066,361.29/266,163.38 - Step 6: Final answer
x = 199,591.94
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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.