Finding the Fourth Proportional to 277,543.36, 416,316.12 and 67,180.96
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Solution
The fourth proportional to 277,543.36, 416,316.12 and 67,180.96 is: 100,771.70
Step by Step Solution
- Step 1: Write the proportion equation
277,543.36 : 416,316.12 = 67,180.96 : x - Step 2: Convert to fraction form
277,543.36/416,316.12 = 67,180.96/x - Step 3: Cross multiply
277,543.36x = 416,316.12 × 67,180.96 - Step 4: Simplify right side
277,543.36x = 27,968,516,605.08 - Step 5: Solve for x
x = 27,968,516,605.08/277,543.36 - Step 6: Final answer
x = 100,771.70
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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.