Finding the Fourth Proportional to 135,664.70, 203,497.05 and 100,235.30
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Solution
The fourth proportional to 135,664.70, 203,497.05 and 100,235.30 is: 150,352.95
Step by Step Solution
- Step 1: Write the proportion equation
135,664.70 : 203,497.05 = 100,235.30 : x - Step 2: Convert to fraction form
135,664.70/203,497.05 = 100,235.30/x - Step 3: Cross multiply
135,664.70x = 203,497.05 × 100,235.30 - Step 4: Simplify right side
135,664.70x = 20,397,587,855.87 - Step 5: Solve for x
x = 20,397,587,855.87/135,664.70 - Step 6: Final answer
x = 150,352.95
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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.