Finding the Fourth Proportional to 146,201.54, 219,125.60 and 71,209.31
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Solution
The fourth proportional to 146,201.54, 219,125.60 and 71,209.31 is: 106,727.90
Step by Step Solution
- Step 1: Write the proportion equation
146,201.54 : 219,125.60 = 71,209.31 : x - Step 2: Convert to fraction form
146,201.54/219,125.60 = 71,209.31/x - Step 3: Cross multiply
146,201.54x = 219,125.60 × 71,209.31 - Step 4: Simplify right side
146,201.54x = 15,603,782,971.10 - Step 5: Solve for x
x = 15,603,782,971.10/146,201.54 - Step 6: Final answer
x = 106,727.90
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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.