Finding the Fourth Proportional to 277,672.11, 416,508.17 and 67,310.05
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Solution
The fourth proportional to 277,672.11, 416,508.17 and 67,310.05 is: 100,965.08
Step by Step Solution
- Step 1: Write the proportion equation
277,672.11 : 416,508.17 = 67,310.05 : x - Step 2: Convert to fraction form
277,672.11/416,508.17 = 67,310.05/x - Step 3: Cross multiply
277,672.11x = 416,508.17 × 67,310.05 - Step 4: Simplify right side
277,672.11x = 28,035,186,068.25 - Step 5: Solve for x
x = 28,035,186,068.25/277,672.11 - Step 6: Final answer
x = 100,965.08
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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.