Finding the Fourth Proportional to 80,850.24, 121,271.24 and 30,926.50
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Solution
The fourth proportional to 80,850.24, 121,271.24 and 30,926.50 is: 46,388.17
Step by Step Solution
- Step 1: Write the proportion equation
80,850.24 : 121,271.24 = 30,926.50 : x - Step 2: Convert to fraction form
80,850.24/121,271.24 = 30,926.50/x - Step 3: Cross multiply
80,850.24x = 121,271.24 × 30,926.50 - Step 4: Simplify right side
80,850.24x = 3,750,494,778.00 - Step 5: Solve for x
x = 3,750,494,778.00/80,850.24 - Step 6: Final answer
x = 46,388.17
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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.