Finding the Fourth Proportional to 99,835.36, 149,759.04 and 29,708.80
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Solution
The fourth proportional to 99,835.36, 149,759.04 and 29,708.80 is: 44,564.99
Step by Step Solution
- Step 1: Write the proportion equation
99,835.36 : 149,759.04 = 29,708.80 : x - Step 2: Convert to fraction form
99,835.36/149,759.04 = 29,708.80/x - Step 3: Cross multiply
99,835.36x = 149,759.04 × 29,708.80 - Step 4: Simplify right side
99,835.36x = 4,449,161,367.55 - Step 5: Solve for x
x = 4,449,161,367.55/99,835.36 - Step 6: Final answer
x = 44,564.99
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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.