Finding the Fourth Proportional to 317,524.25, 438,189.12 and 174,297.62
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Solution
The fourth proportional to 317,524.25, 438,189.12 and 174,297.62 is: 240,533.82
Step by Step Solution
- Step 1: Write the proportion equation
317,524.25 : 438,189.12 = 174,297.62 : x - Step 2: Convert to fraction form
317,524.25/438,189.12 = 174,297.62/x - Step 3: Cross multiply
317,524.25x = 438,189.12 × 174,297.62 - Step 4: Simplify right side
317,524.25x = 76,375,318,534.95 - Step 5: Solve for x
x = 76,375,318,534.95/317,524.25 - Step 6: Final answer
x = 240,533.82
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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.