Finding the Fourth Proportional to 164,319.78, 226,708.29 and 129,754.79
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Solution
The fourth proportional to 164,319.78, 226,708.29 and 129,754.79 is: 179,019.75
Step by Step Solution
- Step 1: Write the proportion equation
164,319.78 : 226,708.29 = 129,754.79 : x - Step 2: Convert to fraction form
164,319.78/226,708.29 = 129,754.79/x - Step 3: Cross multiply
164,319.78x = 226,708.29 × 129,754.79 - Step 4: Simplify right side
164,319.78x = 29,416,485,426.67 - Step 5: Solve for x
x = 29,416,485,426.67/164,319.78 - Step 6: Final answer
x = 179,019.75
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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.