Finding the Fourth Proportional to 81,489.06, 122,233.68 and 22,325.24
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Solution
The fourth proportional to 81,489.06, 122,233.68 and 22,325.24 is: 33,487.88
Step by Step Solution
- Step 1: Write the proportion equation
81,489.06 : 122,233.68 = 22,325.24 : x - Step 2: Convert to fraction form
81,489.06/122,233.68 = 22,325.24/x - Step 3: Cross multiply
81,489.06x = 122,233.68 × 22,325.24 - Step 4: Simplify right side
81,489.06x = 2,728,896,242.08 - Step 5: Solve for x
x = 2,728,896,242.08/81,489.06 - Step 6: Final answer
x = 33,487.88
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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.