Finding the Fourth Proportional to 317,288.77, 476,338.97 and 272,596.12
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Solution
The fourth proportional to 317,288.77, 476,338.97 and 272,596.12 is: 409,242.83
Step by Step Solution
- Step 1: Write the proportion equation
317,288.77 : 476,338.97 = 272,596.12 : x - Step 2: Convert to fraction form
317,288.77/476,338.97 = 272,596.12/x - Step 3: Cross multiply
317,288.77x = 476,338.97 × 272,596.12 - Step 4: Simplify right side
317,288.77x = 129,848,154,517.44 - Step 5: Solve for x
x = 129,848,154,517.44/317,288.77 - Step 6: Final answer
x = 409,242.83
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1.5x scale
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.