Finding the Fourth Proportional to 198,206.09, 273,525.12 and 107,562.03
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Solution
The fourth proportional to 198,206.09, 273,525.12 and 107,562.03 is: 148,435.99
Step by Step Solution
- Step 1: Write the proportion equation
198,206.09 : 273,525.12 = 107,562.03 : x - Step 2: Convert to fraction form
198,206.09/273,525.12 = 107,562.03/x - Step 3: Cross multiply
198,206.09x = 273,525.12 × 107,562.03 - Step 4: Simplify right side
198,206.09x = 29,420,916,137.47 - Step 5: Solve for x
x = 29,420,916,137.47/198,206.09 - Step 6: Final answer
x = 148,435.99
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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.