Finding the Fourth Proportional to 317,167.13, 475,987.23 and 127,629.19
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Solution
The fourth proportional to 317,167.13, 475,987.23 and 127,629.19 is: 191,538.97
Step by Step Solution
- Step 1: Write the proportion equation
317,167.13 : 475,987.23 = 127,629.19 : x - Step 2: Convert to fraction form
317,167.13/475,987.23 = 127,629.19/x - Step 3: Cross multiply
317,167.13x = 475,987.23 × 127,629.19 - Step 4: Simplify right side
317,167.13x = 60,749,864,615.24 - Step 5: Solve for x
x = 60,749,864,615.24/317,167.13 - Step 6: Final answer
x = 191,538.97
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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.