Finding the Fourth Proportional to 99,330.12, 148,993.92 and 24,451.20
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Solution
The fourth proportional to 99,330.12, 148,993.92 and 24,451.20 is: 36,676.49
Step by Step Solution
- Step 1: Write the proportion equation
99,330.12 : 148,993.92 = 24,451.20 : x - Step 2: Convert to fraction form
99,330.12/148,993.92 = 24,451.20/x - Step 3: Cross multiply
99,330.12x = 148,993.92 × 24,451.20 - Step 4: Simplify right side
99,330.12x = 3,643,080,136.70 - Step 5: Solve for x
x = 3,643,080,136.70/99,330.12 - Step 6: Final answer
x = 36,676.49
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1.5x scale
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.