Finding the Fourth Proportional to 188,739.11, 283,108.62 and 68,805.05
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Solution
The fourth proportional to 188,739.11, 283,108.62 and 68,805.05 is: 103,207.56
Step by Step Solution
- Step 1: Write the proportion equation
188,739.11 : 283,108.62 = 68,805.05 : x - Step 2: Convert to fraction form
188,739.11/283,108.62 = 68,805.05/x - Step 3: Cross multiply
188,739.11x = 283,108.62 × 68,805.05 - Step 4: Simplify right side
188,739.11x = 19,479,303,462.30 - Step 5: Solve for x
x = 19,479,303,462.30/188,739.11 - Step 6: Final answer
x = 103,207.56
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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.