Finding the Fourth Proportional to 227,059.36, 313,356.24 and 126,457.12
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Solution
The fourth proportional to 227,059.36, 313,356.24 and 126,457.12 is: 174,518.80
Step by Step Solution
- Step 1: Write the proportion equation
227,059.36 : 313,356.24 = 126,457.12 : x - Step 2: Convert to fraction form
227,059.36/313,356.24 = 126,457.12/x - Step 3: Cross multiply
227,059.36x = 313,356.24 × 126,457.12 - Step 4: Simplify right side
227,059.36x = 39,626,127,644.43 - Step 5: Solve for x
x = 39,626,127,644.43/227,059.36 - Step 6: Final answer
x = 174,518.80
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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.