Finding the Fourth Proportional to 317,467.36, 438,081.36 and 174,204.64
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Solution
The fourth proportional to 317,467.36, 438,081.36 and 174,204.64 is: 240,389.45
Step by Step Solution
- Step 1: Write the proportion equation
317,467.36 : 438,081.36 = 174,204.64 : x - Step 2: Convert to fraction form
317,467.36/438,081.36 = 174,204.64/x - Step 3: Cross multiply
317,467.36x = 438,081.36 × 174,204.64 - Step 4: Simplify right side
317,467.36x = 76,315,805,609.51 - Step 5: Solve for x
x = 76,315,805,609.51/317,467.36 - Step 6: Final answer
x = 240,389.45
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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.