Finding the Fourth Proportional to 317,873.02, 438,672.88 and 174,636.68
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Solution
The fourth proportional to 317,873.02, 438,672.88 and 174,636.68 is: 241,003.08
Step by Step Solution
- Step 1: Write the proportion equation
317,873.02 : 438,672.88 = 174,636.68 : x - Step 2: Convert to fraction form
317,873.02/438,672.88 = 174,636.68/x - Step 3: Cross multiply
317,873.02x = 438,672.88 × 174,636.68 - Step 4: Simplify right side
317,873.02x = 76,608,375,369.24 - Step 5: Solve for x
x = 76,608,375,369.24/317,873.02 - Step 6: Final answer
x = 241,003.08
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.