Finding the Fourth Proportional to 197,220.06, 272,163.63 and 107,796.06
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Solution
The fourth proportional to 197,220.06, 272,163.63 and 107,796.06 is: 148,758.53
Step by Step Solution
- Step 1: Write the proportion equation
197,220.06 : 272,163.63 = 107,796.06 : x - Step 2: Convert to fraction form
197,220.06/272,163.63 = 107,796.06/x - Step 3: Cross multiply
197,220.06x = 272,163.63 × 107,796.06 - Step 4: Simplify right side
197,220.06x = 29,338,166,989.30 - Step 5: Solve for x
x = 29,338,166,989.30/197,220.06 - Step 6: Final answer
x = 148,758.53
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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.