Finding the Fourth Proportional to 266,571.08, 399,877.26 and 89,078.70
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Solution
The fourth proportional to 266,571.08, 399,877.26 and 89,078.70 is: 133,624.95
Step by Step Solution
- Step 1: Write the proportion equation
266,571.08 : 399,877.26 = 89,078.70 : x - Step 2: Convert to fraction form
266,571.08/399,877.26 = 89,078.70/x - Step 3: Cross multiply
266,571.08x = 399,877.26 × 89,078.70 - Step 4: Simplify right side
266,571.08x = 35,620,546,480.36 - Step 5: Solve for x
x = 35,620,546,480.36/266,571.08 - Step 6: Final answer
x = 133,624.95
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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.