Finding the Fourth Proportional to 259,751.26, 358,453.22 and 145,031.68
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Solution
The fourth proportional to 259,751.26, 358,453.22 and 145,031.68 is: 200,141.75
Step by Step Solution
- Step 1: Write the proportion equation
259,751.26 : 358,453.22 = 145,031.68 : x - Step 2: Convert to fraction form
259,751.26/358,453.22 = 145,031.68/x - Step 3: Cross multiply
259,751.26x = 358,453.22 × 145,031.68 - Step 4: Simplify right side
259,751.26x = 51,987,072,698.01 - Step 5: Solve for x
x = 51,987,072,698.01/259,751.26 - Step 6: Final answer
x = 200,141.75
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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.