Finding the Fourth Proportional to 338,961.92, 508,581.12 and 273,021.44
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Solution
The fourth proportional to 338,961.92, 508,581.12 and 273,021.44 is: 409,643.51
Step by Step Solution
- Step 1: Write the proportion equation
338,961.92 : 508,581.12 = 273,021.44 : x - Step 2: Convert to fraction form
338,961.92/508,581.12 = 273,021.44/x - Step 3: Cross multiply
338,961.92x = 508,581.12 × 273,021.44 - Step 4: Simplify right side
338,961.92x = 138,853,549,739.21 - Step 5: Solve for x
x = 138,853,549,739.21/338,961.92 - Step 6: Final answer
x = 409,643.51
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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.