Finding the Fourth Proportional to 226,762.36, 312,944.99 and 129,982.33
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Solution
The fourth proportional to 226,762.36, 312,944.99 and 129,982.33 is: 179,383.03
Step by Step Solution
- Step 1: Write the proportion equation
226,762.36 : 312,944.99 = 129,982.33 : x - Step 2: Convert to fraction form
226,762.36/312,944.99 = 129,982.33/x - Step 3: Cross multiply
226,762.36x = 312,944.99 × 129,982.33 - Step 4: Simplify right side
226,762.36x = 40,677,318,962.03 - Step 5: Solve for x
x = 40,677,318,962.03/226,762.36 - Step 6: Final answer
x = 179,383.03
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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.