Finding the Fourth Proportional to 197,635.94, 272,737.26 and 106,991.87
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Solution
The fourth proportional to 197,635.94, 272,737.26 and 106,991.87 is: 147,648.60
Step by Step Solution
- Step 1: Write the proportion equation
197,635.94 : 272,737.26 = 106,991.87 : x - Step 2: Convert to fraction form
197,635.94/272,737.26 = 106,991.87/x - Step 3: Cross multiply
197,635.94x = 272,737.26 × 106,991.87 - Step 4: Simplify right side
197,635.94x = 29,180,669,466.08 - Step 5: Solve for x
x = 29,180,669,466.08/197,635.94 - Step 6: Final answer
x = 147,648.60
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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.