Finding the Fourth Proportional to 273,415.20, 410,122.80 and 115,591.20
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Solution
The fourth proportional to 273,415.20, 410,122.80 and 115,591.20 is: 173,386.80
Step by Step Solution
- Step 1: Write the proportion equation
273,415.20 : 410,122.80 = 115,591.20 : x - Step 2: Convert to fraction form
273,415.20/410,122.80 = 115,591.20/x - Step 3: Cross multiply
273,415.20x = 410,122.80 × 115,591.20 - Step 4: Simplify right side
273,415.20x = 47,406,586,599.36 - Step 5: Solve for x
x = 47,406,586,599.36/273,415.20 - Step 6: Final answer
x = 173,386.80
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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.