Finding the Fourth Proportional to 157,821.99, 217,512.69 and 119,489.69
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Solution
The fourth proportional to 157,821.99, 217,512.69 and 119,489.69 is: 164,682.53
Step by Step Solution
- Step 1: Write the proportion equation
157,821.99 : 217,512.69 = 119,489.69 : x - Step 2: Convert to fraction form
157,821.99/217,512.69 = 119,489.69/x - Step 3: Cross multiply
157,821.99x = 217,512.69 × 119,489.69 - Step 4: Simplify right side
157,821.99x = 25,990,524,055.24 - Step 5: Solve for x
x = 25,990,524,055.24/157,821.99 - Step 6: Final answer
x = 164,682.53
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.