Finding the Fourth Proportional to 68,182.24, 102,289.76 and 21,435.08
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Solution
The fourth proportional to 68,182.24, 102,289.76 and 21,435.08 is: 32,157.78
Step by Step Solution
- Step 1: Write the proportion equation
68,182.24 : 102,289.76 = 21,435.08 : x - Step 2: Convert to fraction form
68,182.24/102,289.76 = 21,435.08/x - Step 3: Cross multiply
68,182.24x = 102,289.76 × 21,435.08 - Step 4: Simplify right side
68,182.24x = 2,192,589,188.78 - Step 5: Solve for x
x = 2,192,589,188.78/68,182.24 - Step 6: Final answer
x = 32,157.78
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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.