Finding the Fourth Proportional to 79,143.46, 118,716.70 and 29,197.84
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Solution
The fourth proportional to 79,143.46, 118,716.70 and 29,197.84 is: 43,797.32
Step by Step Solution
- Step 1: Write the proportion equation
79,143.46 : 118,716.70 = 29,197.84 : x - Step 2: Convert to fraction form
79,143.46/118,716.70 = 29,197.84/x - Step 3: Cross multiply
79,143.46x = 118,716.70 × 29,197.84 - Step 4: Simplify right side
79,143.46x = 3,466,271,211.93 - Step 5: Solve for x
x = 3,466,271,211.93/79,143.46 - Step 6: Final answer
x = 43,797.32
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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.