Finding the Fourth Proportional to 198,247.12, 273,574.92 and 107,598.80
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Solution
The fourth proportional to 198,247.12, 273,574.92 and 107,598.80 is: 148,483.03
Step by Step Solution
- Step 1: Write the proportion equation
198,247.12 : 273,574.92 = 107,598.80 : x - Step 2: Convert to fraction form
198,247.12/273,574.92 = 107,598.80/x - Step 3: Cross multiply
198,247.12x = 273,574.92 × 107,598.80 - Step 4: Simplify right side
198,247.12x = 29,436,333,102.10 - Step 5: Solve for x
x = 29,436,333,102.10/198,247.12 - Step 6: Final answer
x = 148,483.03
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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.