Finding the Fourth Proportional to 145,783.26, 201,177.09 and 82,117.26
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Solution
The fourth proportional to 145,783.26, 201,177.09 and 82,117.26 is: 113,319.67
Step by Step Solution
- Step 1: Write the proportion equation
145,783.26 : 201,177.09 = 82,117.26 : x - Step 2: Convert to fraction form
145,783.26/201,177.09 = 82,117.26/x - Step 3: Cross multiply
145,783.26x = 201,177.09 × 82,117.26 - Step 4: Simplify right side
145,783.26x = 16,520,111,405.57 - Step 5: Solve for x
x = 16,520,111,405.57/145,783.26 - Step 6: Final answer
x = 113,319.67
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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.