Finding the Fourth Proportional to 192,361.12, 265,472.08 and 106,318.26
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Solution
The fourth proportional to 192,361.12, 265,472.08 and 106,318.26 is: 146,726.79
Step by Step Solution
- Step 1: Write the proportion equation
192,361.12 : 265,472.08 = 106,318.26 : x - Step 2: Convert to fraction form
192,361.12/265,472.08 = 106,318.26/x - Step 3: Cross multiply
192,361.12x = 265,472.08 × 106,318.26 - Step 4: Simplify right side
192,361.12x = 28,224,529,624.18 - Step 5: Solve for x
x = 28,224,529,624.18/192,361.12 - Step 6: Final answer
x = 146,726.79
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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.