Finding the Fourth Proportional to 274,169.56, 378,351.84 and 153,311.08
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Solution
The fourth proportional to 274,169.56, 378,351.84 and 153,311.08 is: 211,568.09
Step by Step Solution
- Step 1: Write the proportion equation
274,169.56 : 378,351.84 = 153,311.08 : x - Step 2: Convert to fraction form
274,169.56/378,351.84 = 153,311.08/x - Step 3: Cross multiply
274,169.56x = 378,351.84 × 153,311.08 - Step 4: Simplify right side
274,169.56x = 58,005,529,210.39 - Step 5: Solve for x
x = 58,005,529,210.39/274,169.56 - Step 6: Final answer
x = 211,568.09
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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.