Finding the Fourth Proportional to 191,203.56, 263,850.08 and 106,318.80
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Solution
The fourth proportional to 191,203.56, 263,850.08 and 106,318.80 is: 146,713.92
Step by Step Solution
- Step 1: Write the proportion equation
191,203.56 : 263,850.08 = 106,318.80 : x - Step 2: Convert to fraction form
191,203.56/263,850.08 = 106,318.80/x - Step 3: Cross multiply
191,203.56x = 263,850.08 × 106,318.80 - Step 4: Simplify right side
191,203.56x = 28,052,223,353.91 - Step 5: Solve for x
x = 28,052,223,353.91/191,203.56 - Step 6: Final answer
x = 146,713.92
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.