Finding the Fourth Proportional to 194,767.09, 291,974.29 and 76,406.65
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Solution
The fourth proportional to 194,767.09, 291,974.29 and 76,406.65 is: 114,540.79
Step by Step Solution
- Step 1: Write the proportion equation
194,767.09 : 291,974.29 = 76,406.65 : x - Step 2: Convert to fraction form
194,767.09/291,974.29 = 76,406.65/x - Step 3: Cross multiply
194,767.09x = 291,974.29 × 76,406.65 - Step 4: Simplify right side
194,767.09x = 22,308,776,464.08 - Step 5: Solve for x
x = 22,308,776,464.08/194,767.09 - Step 6: Final answer
x = 114,540.79
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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.