Finding the Fourth Proportional to 194,163.70, 291,245.55 and 69,459.70
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Solution
The fourth proportional to 194,163.70, 291,245.55 and 69,459.70 is: 104,189.55
Step by Step Solution
- Step 1: Write the proportion equation
194,163.70 : 291,245.55 = 69,459.70 : x - Step 2: Convert to fraction form
194,163.70/291,245.55 = 69,459.70/x - Step 3: Cross multiply
194,163.70x = 291,245.55 × 69,459.70 - Step 4: Simplify right side
194,163.70x = 20,229,828,529.34 - Step 5: Solve for x
x = 20,229,828,529.34/194,163.70 - Step 6: Final answer
x = 104,189.55
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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.