Finding the Fourth Proportional to 227,259.81, 313,620.61 and 125,288.96
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Solution
The fourth proportional to 227,259.81, 313,620.61 and 125,288.96 is: 172,899.90
Step by Step Solution
- Step 1: Write the proportion equation
227,259.81 : 313,620.61 = 125,288.96 : x - Step 2: Convert to fraction form
227,259.81/313,620.61 = 125,288.96/x - Step 3: Cross multiply
227,259.81x = 313,620.61 × 125,288.96 - Step 4: Simplify right side
227,259.81x = 39,293,199,435.02 - Step 5: Solve for x
x = 39,293,199,435.02/227,259.81 - Step 6: Final answer
x = 172,899.90
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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.