Finding the Fourth Proportional to 396,194.26, 594,378.86 and 146,876.26
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Solution
The fourth proportional to 396,194.26, 594,378.86 and 146,876.26 is: 220,346.82
Step by Step Solution
- Step 1: Write the proportion equation
396,194.26 : 594,378.86 = 146,876.26 : x - Step 2: Convert to fraction form
396,194.26/594,378.86 = 146,876.26/x - Step 3: Cross multiply
396,194.26x = 594,378.86 × 146,876.26 - Step 4: Simplify right side
396,194.26x = 87,300,143,979.86 - Step 5: Solve for x
x = 87,300,143,979.86/396,194.26 - Step 6: Final answer
x = 220,346.82
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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.