Finding the Fourth Proportional to 405,346.26, 559,317.92 and 230,918.03
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Solution
The fourth proportional to 405,346.26, 559,317.92 and 230,918.03 is: 318,632.75
Step by Step Solution
- Step 1: Write the proportion equation
405,346.26 : 559,317.92 = 230,918.03 : x - Step 2: Convert to fraction form
405,346.26/559,317.92 = 230,918.03/x - Step 3: Cross multiply
405,346.26x = 559,317.92 × 230,918.03 - Step 4: Simplify right side
405,346.26x = 129,156,592,230.10 - Step 5: Solve for x
x = 129,156,592,230.10/405,346.26 - Step 6: Final answer
x = 318,632.75
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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.