Finding the Fourth Proportional to 317,659.68, 438,367.26 and 174,418.44
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Solution
The fourth proportional to 317,659.68, 438,367.26 and 174,418.44 is: 240,695.75
Step by Step Solution
- Step 1: Write the proportion equation
317,659.68 : 438,367.26 = 174,418.44 : x - Step 2: Convert to fraction form
317,659.68/438,367.26 = 174,418.44/x - Step 3: Cross multiply
317,659.68x = 438,367.26 × 174,418.44 - Step 4: Simplify right side
317,659.68x = 76,459,333,636.27 - Step 5: Solve for x
x = 76,459,333,636.27/317,659.68 - Step 6: Final answer
x = 240,695.75
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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.