Finding the Fourth Proportional to 197,644.36, 272,747.27 and 106,997.93
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Solution
The fourth proportional to 197,644.36, 272,747.27 and 106,997.93 is: 147,656.09
Step by Step Solution
- Step 1: Write the proportion equation
197,644.36 : 272,747.27 = 106,997.93 : x - Step 2: Convert to fraction form
197,644.36/272,747.27 = 106,997.93/x - Step 3: Cross multiply
197,644.36x = 272,747.27 × 106,997.93 - Step 4: Simplify right side
197,644.36x = 29,183,392,768.16 - Step 5: Solve for x
x = 29,183,392,768.16/197,644.36 - Step 6: Final answer
x = 147,656.09
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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.