Finding the Fourth Proportional to 213,609.07, 294,644.26 and 162,509.82
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Solution
The fourth proportional to 213,609.07, 294,644.26 and 162,509.82 is: 224,159.88
Step by Step Solution
- Step 1: Write the proportion equation
213,609.07 : 294,644.26 = 162,509.82 : x - Step 2: Convert to fraction form
213,609.07/294,644.26 = 162,509.82/x - Step 3: Cross multiply
213,609.07x = 294,644.26 × 162,509.82 - Step 4: Simplify right side
213,609.07x = 47,882,585,126.48 - Step 5: Solve for x
x = 47,882,585,126.48/213,609.07 - Step 6: Final answer
x = 224,159.88
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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.