Finding the Fourth Proportional to 197,121.84, 272,028.24 and 107,697.84
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Solution
The fourth proportional to 197,121.84, 272,028.24 and 107,697.84 is: 148,623.07
Step by Step Solution
- Step 1: Write the proportion equation
197,121.84 : 272,028.24 = 107,697.84 : x - Step 2: Convert to fraction form
197,121.84/272,028.24 = 107,697.84/x - Step 3: Cross multiply
197,121.84x = 272,028.24 × 107,697.84 - Step 4: Simplify right side
197,121.84x = 29,296,853,867.00 - Step 5: Solve for x
x = 29,296,853,867.00/197,121.84 - Step 6: Final answer
x = 148,623.07
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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.