Finding the Fourth Proportional to 192,433.80, 288,650.70 and 157,441.80
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Solution
The fourth proportional to 192,433.80, 288,650.70 and 157,441.80 is: 236,162.70
Step by Step Solution
- Step 1: Write the proportion equation
192,433.80 : 288,650.70 = 157,441.80 : x - Step 2: Convert to fraction form
192,433.80/288,650.70 = 157,441.80/x - Step 3: Cross multiply
192,433.80x = 288,650.70 × 157,441.80 - Step 4: Simplify right side
192,433.80x = 45,445,685,779.26 - Step 5: Solve for x
x = 45,445,685,779.26/192,433.80 - Step 6: Final answer
x = 236,162.70
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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.