Finding the Fourth Proportional to 98,005.07, 146,890.97 and 68,261.87
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Solution
The fourth proportional to 98,005.07, 146,890.97 and 68,261.87 is: 102,311.56
Step by Step Solution
- Step 1: Write the proportion equation
98,005.07 : 146,890.97 = 68,261.87 : x - Step 2: Convert to fraction form
98,005.07/146,890.97 = 68,261.87/x - Step 3: Cross multiply
98,005.07x = 146,890.97 × 68,261.87 - Step 4: Simplify right side
98,005.07x = 10,027,052,324.23 - Step 5: Solve for x
x = 10,027,052,324.23/98,005.07 - Step 6: Final answer
x = 102,311.56
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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.