Finding the Fourth Proportional to 191,146.62, 286,844.67 and 71,299.44
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Solution
The fourth proportional to 191,146.62, 286,844.67 and 71,299.44 is: 106,995.69
Step by Step Solution
- Step 1: Write the proportion equation
191,146.62 : 286,844.67 = 71,299.44 : x - Step 2: Convert to fraction form
191,146.62/286,844.67 = 71,299.44/x - Step 3: Cross multiply
191,146.62x = 286,844.67 × 71,299.44 - Step 4: Simplify right side
191,146.62x = 20,451,864,337.98 - Step 5: Solve for x
x = 20,451,864,337.98/191,146.62 - Step 6: Final answer
x = 106,995.69
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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.