Finding the Fourth Proportional to 145,866.28, 201,292.68 and 82,202.80
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Solution
The fourth proportional to 145,866.28, 201,292.68 and 82,202.80 is: 113,438.29
Step by Step Solution
- Step 1: Write the proportion equation
145,866.28 : 201,292.68 = 82,202.80 : x - Step 2: Convert to fraction form
145,866.28/201,292.68 = 82,202.80/x - Step 3: Cross multiply
145,866.28x = 201,292.68 × 82,202.80 - Step 4: Simplify right side
145,866.28x = 16,546,821,915.50 - Step 5: Solve for x
x = 16,546,821,915.50/145,866.28 - Step 6: Final answer
x = 113,438.29
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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.