Finding the Fourth Proportional to 187,074.09, 280,609.11 and 53,950.05
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Solution
The fourth proportional to 187,074.09, 280,609.11 and 53,950.05 is: 80,924.49
Step by Step Solution
- Step 1: Write the proportion equation
187,074.09 : 280,609.11 = 53,950.05 : x - Step 2: Convert to fraction form
187,074.09/280,609.11 = 53,950.05/x - Step 3: Cross multiply
187,074.09x = 280,609.11 × 53,950.05 - Step 4: Simplify right side
187,074.09x = 15,138,875,514.96 - Step 5: Solve for x
x = 15,138,875,514.96/187,074.09 - Step 6: Final answer
x = 80,924.49
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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.