Finding the Fourth Proportional to 99,331.12, 148,995.42 and 24,452.20
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Solution
The fourth proportional to 99,331.12, 148,995.42 and 24,452.20 is: 36,677.99
Step by Step Solution
- Step 1: Write the proportion equation
99,331.12 : 148,995.42 = 24,452.20 : x - Step 2: Convert to fraction form
99,331.12/148,995.42 = 24,452.20/x - Step 3: Cross multiply
99,331.12x = 148,995.42 × 24,452.20 - Step 4: Simplify right side
99,331.12x = 3,643,265,808.92 - Step 5: Solve for x
x = 3,643,265,808.92/99,331.12 - Step 6: Final answer
x = 36,677.99
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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.