Finding the Fourth Proportional to 317,350.98, 476,028.09 and 106,990.74
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Solution
The fourth proportional to 317,350.98, 476,028.09 and 106,990.74 is: 160,486.66
Step by Step Solution
- Step 1: Write the proportion equation
317,350.98 : 476,028.09 = 106,990.74 : x - Step 2: Convert to fraction form
317,350.98/476,028.09 = 106,990.74/x - Step 3: Cross multiply
317,350.98x = 476,028.09 × 106,990.74 - Step 4: Simplify right side
317,350.98x = 50,930,597,609.89 - Step 5: Solve for x
x = 50,930,597,609.89/317,350.98 - Step 6: Final answer
x = 160,486.66
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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.