Finding the Fourth Proportional to 280,847.12, 421,183.19 and 93,814.88
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Solution
The fourth proportional to 280,847.12, 421,183.19 and 93,814.88 is: 140,693.09
Step by Step Solution
- Step 1: Write the proportion equation
280,847.12 : 421,183.19 = 93,814.88 : x - Step 2: Convert to fraction form
280,847.12/421,183.19 = 93,814.88/x - Step 3: Cross multiply
280,847.12x = 421,183.19 × 93,814.88 - Step 4: Simplify right side
280,847.12x = 39,513,248,556.49 - Step 5: Solve for x
x = 39,513,248,556.49/280,847.12 - Step 6: Final answer
x = 140,693.09
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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.