Finding the Fourth Proportional to 396,594.96, 547,514.40 and 305,751.84
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Solution
The fourth proportional to 396,594.96, 547,514.40 and 305,751.84 is: 422,102.02
Step by Step Solution
- Step 1: Write the proportion equation
396,594.96 : 547,514.40 = 305,751.84 : x - Step 2: Convert to fraction form
396,594.96/547,514.40 = 305,751.84/x - Step 3: Cross multiply
396,594.96x = 547,514.40 × 305,751.84 - Step 4: Simplify right side
396,594.96x = 167,403,535,226.50 - Step 5: Solve for x
x = 167,403,535,226.50/396,594.96 - Step 6: Final answer
x = 422,102.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.