Finding the Fourth Proportional to 317,861.31, 476,739.54 and 104,631.99
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Solution
The fourth proportional to 317,861.31, 476,739.54 and 104,631.99 is: 156,930.73
Step by Step Solution
- Step 1: Write the proportion equation
317,861.31 : 476,739.54 = 104,631.99 : x - Step 2: Convert to fraction form
317,861.31/476,739.54 = 104,631.99/x - Step 3: Cross multiply
317,861.31x = 476,739.54 × 104,631.99 - Step 4: Simplify right side
317,861.31x = 49,882,206,781.88 - Step 5: Solve for x
x = 49,882,206,781.88/317,861.31 - Step 6: Final answer
x = 156,930.73
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.