Finding the Fourth Proportional to 68,652.22, 102,784.20 and 43,630.24
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Solution
The fourth proportional to 68,652.22, 102,784.20 and 43,630.24 is: 65,321.99
Step by Step Solution
- Step 1: Write the proportion equation
68,652.22 : 102,784.20 = 43,630.24 : x - Step 2: Convert to fraction form
68,652.22/102,784.20 = 43,630.24/x - Step 3: Cross multiply
68,652.22x = 102,784.20 × 43,630.24 - Step 4: Simplify right side
68,652.22x = 4,484,499,314.21 - Step 5: Solve for x
x = 4,484,499,314.21/68,652.22 - Step 6: Final answer
x = 65,321.99
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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.