Finding the Fourth Proportional to 164,424.36, 226,905.66 and 88,972.68
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Solution
The fourth proportional to 164,424.36, 226,905.66 and 88,972.68 is: 122,782.32
Step by Step Solution
- Step 1: Write the proportion equation
164,424.36 : 226,905.66 = 88,972.68 : x - Step 2: Convert to fraction form
164,424.36/226,905.66 = 88,972.68/x - Step 3: Cross multiply
164,424.36x = 226,905.66 × 88,972.68 - Step 4: Simplify right side
164,424.36x = 20,188,404,677.37 - Step 5: Solve for x
x = 20,188,404,677.37/164,424.36 - Step 6: Final answer
x = 122,782.32
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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.