Finding the Fourth Proportional to 227,278.20, 313,629.47 and 125,298.09
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Solution
The fourth proportional to 227,278.20, 313,629.47 and 125,298.09 is: 172,903.40
Step by Step Solution
- Step 1: Write the proportion equation
227,278.20 : 313,629.47 = 125,298.09 : x - Step 2: Convert to fraction form
227,278.20/313,629.47 = 125,298.09/x - Step 3: Cross multiply
227,278.20x = 313,629.47 × 125,298.09 - Step 4: Simplify right side
227,278.20x = 39,297,173,402.09 - Step 5: Solve for x
x = 39,297,173,402.09/227,278.20 - Step 6: Final answer
x = 172,903.40
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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.