Finding the Fourth Proportional to 135,743.20, 203,566.02 and 46,972.60
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Solution
The fourth proportional to 135,743.20, 203,566.02 and 46,972.60 is: 70,442.02
Step by Step Solution
- Step 1: Write the proportion equation
135,743.20 : 203,566.02 = 46,972.60 : x - Step 2: Convert to fraction form
135,743.20/203,566.02 = 46,972.60/x - Step 3: Cross multiply
135,743.20x = 203,566.02 × 46,972.60 - Step 4: Simplify right side
135,743.20x = 9,562,025,231.05 - Step 5: Solve for x
x = 9,562,025,231.05/135,743.20 - Step 6: Final answer
x = 70,442.02
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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.