Finding the Fourth Proportional to 227,014.21, 313,252.18 and 130,213.09
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Solution
The fourth proportional to 227,014.21, 313,252.18 and 130,213.09 is: 179,678.33
Step by Step Solution
- Step 1: Write the proportion equation
227,014.21 : 313,252.18 = 130,213.09 : x - Step 2: Convert to fraction form
227,014.21/313,252.18 = 130,213.09/x - Step 3: Cross multiply
227,014.21x = 313,252.18 × 130,213.09 - Step 4: Simplify right side
227,014.21x = 40,789,534,307.04 - Step 5: Solve for x
x = 40,789,534,307.04/227,014.21 - Step 6: Final answer
x = 179,678.33
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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.