Finding the Fourth Proportional to 318,110.08, 477,063.04 and 140,613.12
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Solution
The fourth proportional to 318,110.08, 477,063.04 and 140,613.12 is: 210,874.56
Step by Step Solution
- Step 1: Write the proportion equation
318,110.08 : 477,063.04 = 140,613.12 : x - Step 2: Convert to fraction form
318,110.08/477,063.04 = 140,613.12/x - Step 3: Cross multiply
318,110.08x = 477,063.04 × 140,613.12 - Step 4: Simplify right side
318,110.08x = 67,081,322,491.08 - Step 5: Solve for x
x = 67,081,322,491.08/318,110.08 - Step 6: Final answer
x = 210,874.56
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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.