Finding the Fourth Proportional to 146,638.79, 219,968.21 and 46,806.55
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Solution
The fourth proportional to 146,638.79, 219,968.21 and 46,806.55 is: 70,213.02
Step by Step Solution
- Step 1: Write the proportion equation
146,638.79 : 219,968.21 = 46,806.55 : x - Step 2: Convert to fraction form
146,638.79/219,968.21 = 46,806.55/x - Step 3: Cross multiply
146,638.79x = 219,968.21 × 46,806.55 - Step 4: Simplify right side
146,638.79x = 10,295,953,019.78 - Step 5: Solve for x
x = 10,295,953,019.78/146,638.79 - Step 6: Final answer
x = 70,213.02
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1.5x scale
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.