Finding the Fourth Proportional to 226,667.99, 312,814.28 and 131,205.44
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Solution
The fourth proportional to 226,667.99, 312,814.28 and 131,205.44 is: 181,070.72
Step by Step Solution
- Step 1: Write the proportion equation
226,667.99 : 312,814.28 = 131,205.44 : x - Step 2: Convert to fraction form
226,667.99/312,814.28 = 131,205.44/x - Step 3: Cross multiply
226,667.99x = 312,814.28 × 131,205.44 - Step 4: Simplify right side
226,667.99x = 41,042,936,355.73 - Step 5: Solve for x
x = 41,042,936,355.73/226,667.99 - Step 6: Final answer
x = 181,070.72
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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.