Finding the Fourth Proportional to 411,486.31, 567,828.23 and 230,163.26
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Solution
The fourth proportional to 411,486.31, 567,828.23 and 230,163.26 is: 317,612.49
Step by Step Solution
- Step 1: Write the proportion equation
411,486.31 : 567,828.23 = 230,163.26 : x - Step 2: Convert to fraction form
411,486.31/567,828.23 = 230,163.26/x - Step 3: Cross multiply
411,486.31x = 567,828.23 × 230,163.26 - Step 4: Simplify right side
411,486.31x = 130,693,192,546.87 - Step 5: Solve for x
x = 130,693,192,546.87/411,486.31 - Step 6: Final answer
x = 317,612.49
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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.