Finding the Fourth Proportional to 196,386.92, 294,709.55 and 107,702.70
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Solution
The fourth proportional to 196,386.92, 294,709.55 and 107,702.70 is: 161,624.89
Step by Step Solution
- Step 1: Write the proportion equation
196,386.92 : 294,709.55 = 107,702.70 : x - Step 2: Convert to fraction form
196,386.92/294,709.55 = 107,702.70/x - Step 3: Cross multiply
196,386.92x = 294,709.55 × 107,702.70 - Step 4: Simplify right side
196,386.92x = 31,741,014,250.79 - Step 5: Solve for x
x = 31,741,014,250.79/196,386.92 - Step 6: Final answer
x = 161,624.89
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.