Finding the Fourth Proportional to 255,923.99, 353,288.37 and 165,324.14
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Solution
The fourth proportional to 255,923.99, 353,288.37 and 165,324.14 is: 228,220.48
Step by Step Solution
- Step 1: Write the proportion equation
255,923.99 : 353,288.37 = 165,324.14 : x - Step 2: Convert to fraction form
255,923.99/353,288.37 = 165,324.14/x - Step 3: Cross multiply
255,923.99x = 353,288.37 × 165,324.14 - Step 4: Simplify right side
255,923.99x = 58,407,095,942.25 - Step 5: Solve for x
x = 58,407,095,942.25/255,923.99 - Step 6: Final answer
x = 228,220.48
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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.