Finding the Fourth Proportional to 200,079.59, 276,118.67 and 115,223.99
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Solution
The fourth proportional to 200,079.59, 276,118.67 and 115,223.99 is: 159,014.19
Step by Step Solution
- Step 1: Write the proportion equation
200,079.59 : 276,118.67 = 115,223.99 : x - Step 2: Convert to fraction form
200,079.59/276,118.67 = 115,223.99/x - Step 3: Cross multiply
200,079.59x = 276,118.67 × 115,223.99 - Step 4: Simplify right side
200,079.59x = 31,815,493,778.36 - Step 5: Solve for x
x = 31,815,493,778.36/200,079.59 - Step 6: Final answer
x = 159,014.19
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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.