Finding the Fourth Proportional to 110,902.05, 166,353.08 and 40,808.70
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Solution
The fourth proportional to 110,902.05, 166,353.08 and 40,808.70 is: 61,213.05
Step by Step Solution
- Step 1: Write the proportion equation
110,902.05 : 166,353.08 = 40,808.70 : x - Step 2: Convert to fraction form
110,902.05/166,353.08 = 40,808.70/x - Step 3: Cross multiply
110,902.05x = 166,353.08 × 40,808.70 - Step 4: Simplify right side
110,902.05x = 6,788,652,731.75 - Step 5: Solve for x
x = 6,788,652,731.75/110,902.05 - Step 6: Final answer
x = 61,213.05
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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.