Finding the Fourth Proportional to 270,604.38, 373,428.44 and 149,745.58
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Solution
The fourth proportional to 270,604.38, 373,428.44 and 149,745.58 is: 206,645.80
Step by Step Solution
- Step 1: Write the proportion equation
270,604.38 : 373,428.44 = 149,745.58 : x - Step 2: Convert to fraction form
270,604.38/373,428.44 = 149,745.58/x - Step 3: Cross multiply
270,604.38x = 373,428.44 × 149,745.58 - Step 4: Simplify right side
270,604.38x = 55,919,258,336.30 - Step 5: Solve for x
x = 55,919,258,336.30/270,604.38 - Step 6: Final answer
x = 206,645.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.