Finding the Fourth Proportional to 74,307.09, 111,469.10 and 26,944.49
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Solution
The fourth proportional to 74,307.09, 111,469.10 and 26,944.49 is: 40,419.80
Step by Step Solution
- Step 1: Write the proportion equation
74,307.09 : 111,469.10 = 26,944.49 : x - Step 2: Convert to fraction form
74,307.09/111,469.10 = 26,944.49/x - Step 3: Cross multiply
74,307.09x = 111,469.10 × 26,944.49 - Step 4: Simplify right side
74,307.09x = 3,003,477,358.19 - Step 5: Solve for x
x = 3,003,477,358.19/74,307.09 - Step 6: Final answer
x = 40,419.80
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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.