Finding the Fourth Proportional to 1,107,117.70, 1,660,676.55 and 359,163.70
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Solution
The fourth proportional to 1,107,117.70, 1,660,676.55 and 359,163.70 is: 538,745.55
Step by Step Solution
- Step 1: Write the proportion equation
1,107,117.70 : 1,660,676.55 = 359,163.70 : x - Step 2: Convert to fraction form
1,107,117.70/1,660,676.55 = 359,163.70/x - Step 3: Cross multiply
1,107,117.70x = 1,660,676.55 × 359,163.70 - Step 4: Simplify right side
1,107,117.70x = 596,454,734,201.24 - Step 5: Solve for x
x = 596,454,734,201.24/1,107,117.70 - Step 6: Final answer
x = 538,745.55
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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.