Finding the Fourth Proportional to 145,922.35, 201,370.14 and 82,260.19
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Solution
The fourth proportional to 145,922.35, 201,370.14 and 82,260.19 is: 113,517.54
Step by Step Solution
- Step 1: Write the proportion equation
145,922.35 : 201,370.14 = 82,260.19 : x - Step 2: Convert to fraction form
145,922.35/201,370.14 = 82,260.19/x - Step 3: Cross multiply
145,922.35x = 201,370.14 × 82,260.19 - Step 4: Simplify right side
145,922.35x = 16,564,745,976.73 - Step 5: Solve for x
x = 16,564,745,976.73/145,922.35 - Step 6: Final answer
x = 113,517.54
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1.5x scale
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.