Finding the Fourth Proportional to 225,879.98, 338,733.60 and 76,079.99
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Solution
The fourth proportional to 225,879.98, 338,733.60 and 76,079.99 is: 114,090.90
Step by Step Solution
- Step 1: Write the proportion equation
225,879.98 : 338,733.60 = 76,079.99 : x - Step 2: Convert to fraction form
225,879.98/338,733.60 = 76,079.99/x - Step 3: Cross multiply
225,879.98x = 338,733.60 × 76,079.99 - Step 4: Simplify right side
225,879.98x = 25,770,849,462.20 - Step 5: Solve for x
x = 25,770,849,462.20/225,879.98 - Step 6: Final answer
x = 114,090.90
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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.