Finding the Fourth Proportional to 480,625.99, 720,979.99 and 125,639.44
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Solution
The fourth proportional to 480,625.99, 720,979.99 and 125,639.44 is: 188,469.88
Step by Step Solution
- Step 1: Write the proportion equation
480,625.99 : 720,979.99 = 125,639.44 : x - Step 2: Convert to fraction form
480,625.99/720,979.99 = 125,639.44/x - Step 3: Cross multiply
480,625.99x = 720,979.99 × 125,639.44 - Step 4: Simplify right side
480,625.99x = 90,583,520,078.26 - Step 5: Solve for x
x = 90,583,520,078.26/480,625.99 - Step 6: Final answer
x = 188,469.88
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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.