Finding the Fourth Proportional to 190,600.17, 285,790.87 and 72,195.99
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Solution
The fourth proportional to 190,600.17, 285,790.87 and 72,195.99 is: 108,252.55
Step by Step Solution
- Step 1: Write the proportion equation
190,600.17 : 285,790.87 = 72,195.99 : x - Step 2: Convert to fraction form
190,600.17/285,790.87 = 72,195.99/x - Step 3: Cross multiply
190,600.17x = 285,790.87 × 72,195.99 - Step 4: Simplify right side
190,600.17x = 20,632,954,792.61 - Step 5: Solve for x
x = 20,632,954,792.61/190,600.17 - Step 6: Final answer
x = 108,252.55
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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.