Finding the Fourth Proportional to 196,435.06, 294,654.44 and 107,640.09
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Solution
The fourth proportional to 196,435.06, 294,654.44 and 107,640.09 is: 161,461.15
Step by Step Solution
- Step 1: Write the proportion equation
196,435.06 : 294,654.44 = 107,640.09 : x - Step 2: Convert to fraction form
196,435.06/294,654.44 = 107,640.09/x - Step 3: Cross multiply
196,435.06x = 294,654.44 × 107,640.09 - Step 4: Simplify right side
196,435.06x = 31,716,630,709.60 - Step 5: Solve for x
x = 31,716,630,709.60/196,435.06 - Step 6: Final answer
x = 161,461.15
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.