Finding the Fourth Proportional to 164,121.12, 226,487.04 and 88,669.44
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Solution
The fourth proportional to 164,121.12, 226,487.04 and 88,669.44 is: 122,363.77
Step by Step Solution
- Step 1: Write the proportion equation
164,121.12 : 226,487.04 = 88,669.44 : x - Step 2: Convert to fraction form
164,121.12/226,487.04 = 88,669.44/x - Step 3: Cross multiply
164,121.12x = 226,487.04 × 88,669.44 - Step 4: Simplify right side
164,121.12x = 20,082,479,004.06 - Step 5: Solve for x
x = 20,082,479,004.06/164,121.12 - Step 6: Final answer
x = 122,363.77
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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.