Finding the Fourth Proportional to 1,025,163.75, 1,537,745.64 and 277,209.75
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Solution
The fourth proportional to 1,025,163.75, 1,537,745.64 and 277,209.75 is: 415,814.63
Step by Step Solution
- Step 1: Write the proportion equation
1,025,163.75 : 1,537,745.64 = 277,209.75 : x - Step 2: Convert to fraction form
1,025,163.75/1,537,745.64 = 277,209.75/x - Step 3: Cross multiply
1,025,163.75x = 1,537,745.64 × 277,209.75 - Step 4: Simplify right side
1,025,163.75x = 426,278,084,427.99 - Step 5: Solve for x
x = 426,278,084,427.99/1,025,163.75 - Step 6: Final answer
x = 415,814.63
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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.