Finding the Fourth Proportional to 196,652.20, 294,920.70 and 91,445.80
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Solution
The fourth proportional to 196,652.20, 294,920.70 and 91,445.80 is: 137,141.92
Step by Step Solution
- Step 1: Write the proportion equation
196,652.20 : 294,920.70 = 91,445.80 : x - Step 2: Convert to fraction form
196,652.20/294,920.70 = 91,445.80/x - Step 3: Cross multiply
196,652.20x = 294,920.70 × 91,445.80 - Step 4: Simplify right side
196,652.20x = 26,969,259,348.06 - Step 5: Solve for x
x = 26,969,259,348.06/196,652.20 - Step 6: Final answer
x = 137,141.92
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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.