Finding the Fourth Proportional to 227,201.09, 340,802.44 and 69,428.88
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Solution
The fourth proportional to 227,201.09, 340,802.44 and 69,428.88 is: 104,143.57
Step by Step Solution
- Step 1: Write the proportion equation
227,201.09 : 340,802.44 = 69,428.88 : x - Step 2: Convert to fraction form
227,201.09/340,802.44 = 69,428.88/x - Step 3: Cross multiply
227,201.09x = 340,802.44 × 69,428.88 - Step 4: Simplify right side
227,201.09x = 23,661,531,536.90 - Step 5: Solve for x
x = 23,661,531,536.90/227,201.09 - Step 6: Final answer
x = 104,143.57
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.