Finding the Fourth Proportional to 396,374.80, 594,540.97 and 140,189.62
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Solution
The fourth proportional to 396,374.80, 594,540.97 and 140,189.62 is: 210,276.92
Step by Step Solution
- Step 1: Write the proportion equation
396,374.80 : 594,540.97 = 140,189.62 : x - Step 2: Convert to fraction form
396,374.80/594,540.97 = 140,189.62/x - Step 3: Cross multiply
396,374.80x = 594,540.97 × 140,189.62 - Step 4: Simplify right side
396,374.80x = 83,348,470,821.90 - Step 5: Solve for x
x = 83,348,470,821.90/396,374.80 - Step 6: Final answer
x = 210,276.92
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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.