Finding the Fourth Proportional to 317,448.75, 438,077.97 and 174,211.14
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Solution
The fourth proportional to 317,448.75, 438,077.97 and 174,211.14 is: 240,410.66
Step by Step Solution
- Step 1: Write the proportion equation
317,448.75 : 438,077.97 = 174,211.14 : x - Step 2: Convert to fraction form
317,448.75/438,077.97 = 174,211.14/x - Step 3: Cross multiply
317,448.75x = 438,077.97 × 174,211.14 - Step 4: Simplify right side
317,448.75x = 76,318,062,562.59 - Step 5: Solve for x
x = 76,318,062,562.59/317,448.75 - Step 6: Final answer
x = 240,410.66
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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.