Finding the Fourth Proportional to 97,699.44, 146,450.70 and 38,512.20
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Solution
The fourth proportional to 97,699.44, 146,450.70 and 38,512.20 is: 57,729.49
Step by Step Solution
- Step 1: Write the proportion equation
97,699.44 : 146,450.70 = 38,512.20 : x - Step 2: Convert to fraction form
97,699.44/146,450.70 = 38,512.20/x - Step 3: Cross multiply
97,699.44x = 146,450.70 × 38,512.20 - Step 4: Simplify right side
97,699.44x = 5,640,138,648.54 - Step 5: Solve for x
x = 5,640,138,648.54/97,699.44 - Step 6: Final answer
x = 57,729.49
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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.