Finding the Fourth Proportional to 197,239.87, 272,191.01 and 106,596.01
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Solution
The fourth proportional to 197,239.87, 272,191.01 and 106,596.01 is: 147,102.49
Step by Step Solution
- Step 1: Write the proportion equation
197,239.87 : 272,191.01 = 106,596.01 : x - Step 2: Convert to fraction form
197,239.87/272,191.01 = 106,596.01/x - Step 3: Cross multiply
197,239.87x = 272,191.01 × 106,596.01 - Step 4: Simplify right side
197,239.87x = 29,014,475,623.87 - Step 5: Solve for x
x = 29,014,475,623.87/197,239.87 - Step 6: Final answer
x = 147,102.49
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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.