Finding the Fourth Proportional to 317,129.12, 437,867.82 and 204,148.70
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Solution
The fourth proportional to 317,129.12, 437,867.82 and 204,148.70 is: 281,873.03
Step by Step Solution
- Step 1: Write the proportion equation
317,129.12 : 437,867.82 = 204,148.70 : x - Step 2: Convert to fraction form
317,129.12/437,867.82 = 204,148.70/x - Step 3: Cross multiply
317,129.12x = 437,867.82 × 204,148.70 - Step 4: Simplify right side
317,129.12x = 89,390,146,224.83 - Step 5: Solve for x
x = 89,390,146,224.83/317,129.12 - Step 6: Final answer
x = 281,873.03
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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.