Finding the Fourth Proportional to 149,204.22, 223,806.36 and 142,725.26
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Solution
The fourth proportional to 149,204.22, 223,806.36 and 142,725.26 is: 214,087.92
Step by Step Solution
- Step 1: Write the proportion equation
149,204.22 : 223,806.36 = 142,725.26 : x - Step 2: Convert to fraction form
149,204.22/223,806.36 = 142,725.26/x - Step 3: Cross multiply
149,204.22x = 223,806.36 × 142,725.26 - Step 4: Simplify right side
149,204.22x = 31,942,820,920.65 - Step 5: Solve for x
x = 31,942,820,920.65/149,204.22 - Step 6: Final answer
x = 214,087.92
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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.