Finding the Fourth Proportional to 136,252.20, 204,378.30 and 73,266.60
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Solution
The fourth proportional to 136,252.20, 204,378.30 and 73,266.60 is: 109,899.90
Step by Step Solution
- Step 1: Write the proportion equation
136,252.20 : 204,378.30 = 73,266.60 : x - Step 2: Convert to fraction form
136,252.20/204,378.30 = 73,266.60/x - Step 3: Cross multiply
136,252.20x = 204,378.30 × 73,266.60 - Step 4: Simplify right side
136,252.20x = 14,974,103,154.78 - Step 5: Solve for x
x = 14,974,103,154.78/136,252.20 - Step 6: Final answer
x = 109,899.90
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1.5x scale
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.