Finding the Fourth Proportional to 168,225.36, 252,236.39 and 67,038.97
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Solution
The fourth proportional to 168,225.36, 252,236.39 and 67,038.97 is: 100,517.95
Step by Step Solution
- Step 1: Write the proportion equation
168,225.36 : 252,236.39 = 67,038.97 : x - Step 2: Convert to fraction form
168,225.36/252,236.39 = 67,038.97/x - Step 3: Cross multiply
168,225.36x = 252,236.39 × 67,038.97 - Step 4: Simplify right side
168,225.36x = 16,909,667,782.12 - Step 5: Solve for x
x = 16,909,667,782.12/168,225.36 - Step 6: Final answer
x = 100,517.95
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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.