Finding the Fourth Proportional to 456,703.41, 685,120.68 and 141,184.92
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Solution
The fourth proportional to 456,703.41, 685,120.68 and 141,184.92 is: 211,797.65
Step by Step Solution
- Step 1: Write the proportion equation
456,703.41 : 685,120.68 = 141,184.92 : x - Step 2: Convert to fraction form
456,703.41/685,120.68 = 141,184.92/x - Step 3: Cross multiply
456,703.41x = 685,120.68 × 141,184.92 - Step 4: Simplify right side
456,703.41x = 96,728,708,396.15 - Step 5: Solve for x
x = 96,728,708,396.15/456,703.41 - Step 6: Final answer
x = 211,797.65
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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.