Finding the Fourth Proportional to 240,620.92, 361,585.67 and 128,380.44
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Solution
The fourth proportional to 240,620.92, 361,585.67 and 128,380.44 is: 192,919.75
Step by Step Solution
- Step 1: Write the proportion equation
240,620.92 : 361,585.67 = 128,380.44 : x - Step 2: Convert to fraction form
240,620.92/361,585.67 = 128,380.44/x - Step 3: Cross multiply
240,620.92x = 361,585.67 × 128,380.44 - Step 4: Simplify right side
240,620.92x = 46,420,527,412.29 - Step 5: Solve for x
x = 46,420,527,412.29/240,620.92 - Step 6: Final answer
x = 192,919.75
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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.