Finding the Fourth Proportional to 277,635.36, 416,454.12 and 67,272.96
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Solution
The fourth proportional to 277,635.36, 416,454.12 and 67,272.96 is: 100,909.70
Step by Step Solution
- Step 1: Write the proportion equation
277,635.36 : 416,454.12 = 67,272.96 : x - Step 2: Convert to fraction form
277,635.36/416,454.12 = 67,272.96/x - Step 3: Cross multiply
277,635.36x = 416,454.12 × 67,272.96 - Step 4: Simplify right side
277,635.36x = 28,016,101,356.60 - Step 5: Solve for x
x = 28,016,101,356.60/277,635.36 - Step 6: Final answer
x = 100,909.70
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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.