Finding the Fourth Proportional to 128,906.55, 193,313.50 and 44,644.03
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Solution
The fourth proportional to 128,906.55, 193,313.50 and 44,644.03 is: 66,950.00
Step by Step Solution
- Step 1: Write the proportion equation
128,906.55 : 193,313.50 = 44,644.03 : x - Step 2: Convert to fraction form
128,906.55/193,313.50 = 44,644.03/x - Step 3: Cross multiply
128,906.55x = 193,313.50 × 44,644.03 - Step 4: Simplify right side
128,906.55x = 8,630,293,098.51 - Step 5: Solve for x
x = 8,630,293,098.51/128,906.55 - Step 6: Final answer
x = 66,950.00
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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.