Finding the Fourth Proportional to 119,201.58, 178,691.18 and 40,260.60
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Solution
The fourth proportional to 119,201.58, 178,691.18 and 40,260.60 is: 60,353.35
Step by Step Solution
- Step 1: Write the proportion equation
119,201.58 : 178,691.18 = 40,260.60 : x - Step 2: Convert to fraction form
119,201.58/178,691.18 = 40,260.60/x - Step 3: Cross multiply
119,201.58x = 178,691.18 × 40,260.60 - Step 4: Simplify right side
119,201.58x = 7,194,214,121.51 - Step 5: Solve for x
x = 7,194,214,121.51/119,201.58 - Step 6: Final answer
x = 60,353.35
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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.