Finding the Fourth Proportional to 277,415.28, 416,185.40 and 87,887.12
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Solution
The fourth proportional to 277,415.28, 416,185.40 and 87,887.12 is: 131,850.47
Step by Step Solution
- Step 1: Write the proportion equation
277,415.28 : 416,185.40 = 87,887.12 : x - Step 2: Convert to fraction form
277,415.28/416,185.40 = 87,887.12/x - Step 3: Cross multiply
277,415.28x = 416,185.40 × 87,887.12 - Step 4: Simplify right side
277,415.28x = 36,577,336,192.05 - Step 5: Solve for x
x = 36,577,336,192.05/277,415.28 - Step 6: Final answer
x = 131,850.47
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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.