Finding the Fourth Proportional to 245,143.99, 367,826.88 and 125,138.95
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Solution
The fourth proportional to 245,143.99, 367,826.88 and 125,138.95 is: 187,765.03
Step by Step Solution
- Step 1: Write the proportion equation
245,143.99 : 367,826.88 = 125,138.95 : x - Step 2: Convert to fraction form
245,143.99/367,826.88 = 125,138.95/x - Step 3: Cross multiply
245,143.99x = 367,826.88 × 125,138.95 - Step 4: Simplify right side
245,143.99x = 46,029,469,544.98 - Step 5: Solve for x
x = 46,029,469,544.98/245,143.99 - Step 6: Final answer
x = 187,765.03
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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.