Finding the Fourth Proportional to 197,302.54, 272,277.12 and 106,658.56
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Solution
The fourth proportional to 197,302.54, 272,277.12 and 106,658.56 is: 147,188.60
Step by Step Solution
- Step 1: Write the proportion equation
197,302.54 : 272,277.12 = 106,658.56 : x - Step 2: Convert to fraction form
197,302.54/272,277.12 = 106,658.56/x - Step 3: Cross multiply
197,302.54x = 272,277.12 × 106,658.56 - Step 4: Simplify right side
197,302.54x = 29,040,685,540.15 - Step 5: Solve for x
x = 29,040,685,540.15/197,302.54 - Step 6: Final answer
x = 147,188.60
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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.