Finding the Fourth Proportional to 146,370.96, 219,571.08 and 39,756.60
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Solution
The fourth proportional to 146,370.96, 219,571.08 and 39,756.60 is: 59,638.88
Step by Step Solution
- Step 1: Write the proportion equation
146,370.96 : 219,571.08 = 39,756.60 : x - Step 2: Convert to fraction form
146,370.96/219,571.08 = 39,756.60/x - Step 3: Cross multiply
146,370.96x = 219,571.08 × 39,756.60 - Step 4: Simplify right side
146,370.96x = 8,729,399,599.13 - Step 5: Solve for x
x = 8,729,399,599.13/146,370.96 - Step 6: Final answer
x = 59,638.88
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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.