Finding the Fourth Proportional to 227,141.51, 313,457.38 and 125,170.62
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Solution
The fourth proportional to 227,141.51, 313,457.38 and 125,170.62 is: 172,736.61
Step by Step Solution
- Step 1: Write the proportion equation
227,141.51 : 313,457.38 = 125,170.62 : x - Step 2: Convert to fraction form
227,141.51/313,457.38 = 125,170.62/x - Step 3: Cross multiply
227,141.51x = 313,457.38 × 125,170.62 - Step 4: Simplify right side
227,141.51x = 39,235,654,598.18 - Step 5: Solve for x
x = 39,235,654,598.18/227,141.51 - Step 6: Final answer
x = 172,736.61
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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.