Finding the Fourth Proportional to 104,205.05, 143,800.99 and 58,264.49
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Solution
The fourth proportional to 104,205.05, 143,800.99 and 58,264.49 is: 80,403.89
Step by Step Solution
- Step 1: Write the proportion equation
104,205.05 : 143,800.99 = 58,264.49 : x - Step 2: Convert to fraction form
104,205.05/143,800.99 = 58,264.49/x - Step 3: Cross multiply
104,205.05x = 143,800.99 × 58,264.49 - Step 4: Simplify right side
104,205.05x = 8,378,491,343.85 - Step 5: Solve for x
x = 8,378,491,343.85/104,205.05 - Step 6: Final answer
x = 80,403.89
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1.5x scale
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.