Finding the Fourth Proportional to 198,206.16, 273,525.21 and 107,562.09
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Solution
The fourth proportional to 198,206.16, 273,525.21 and 107,562.09 is: 148,436.07
Step by Step Solution
- Step 1: Write the proportion equation
198,206.16 : 273,525.21 = 107,562.09 : x - Step 2: Convert to fraction form
198,206.16/273,525.21 = 107,562.09/x - Step 3: Cross multiply
198,206.16x = 273,525.21 × 107,562.09 - Step 4: Simplify right side
198,206.16x = 29,420,943,255.29 - Step 5: Solve for x
x = 29,420,943,255.29/198,206.16 - Step 6: Final answer
x = 148,436.07
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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.