Finding the Fourth Proportional to 224,435.64, 336,467.16 and 91,378.56
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Solution
The fourth proportional to 224,435.64, 336,467.16 and 91,378.56 is: 136,991.99
Step by Step Solution
- Step 1: Write the proportion equation
224,435.64 : 336,467.16 = 91,378.56 : x - Step 2: Convert to fraction form
224,435.64/336,467.16 = 91,378.56/x - Step 3: Cross multiply
224,435.64x = 336,467.16 × 91,378.56 - Step 4: Simplify right side
224,435.64x = 30,745,884,568.09 - Step 5: Solve for x
x = 30,745,884,568.09/224,435.64 - Step 6: Final answer
x = 136,991.99
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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.