Finding the Fourth Proportional to 317,110.34, 437,668.21 and 189,785.63
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Solution
The fourth proportional to 317,110.34, 437,668.21 and 189,785.63 is: 261,937.65
Step by Step Solution
- Step 1: Write the proportion equation
317,110.34 : 437,668.21 = 189,785.63 : x - Step 2: Convert to fraction form
317,110.34/437,668.21 = 189,785.63/x - Step 3: Cross multiply
317,110.34x = 437,668.21 × 189,785.63 - Step 4: Simplify right side
317,110.34x = 83,063,138,297.22 - Step 5: Solve for x
x = 83,063,138,297.22/317,110.34 - Step 6: Final answer
x = 261,937.65
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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.