Finding the Fourth Proportional to 80,490.44, 120,708.33 and 27,887.65
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Solution
The fourth proportional to 80,490.44, 120,708.33 and 27,887.65 is: 41,822.00
Step by Step Solution
- Step 1: Write the proportion equation
80,490.44 : 120,708.33 = 27,887.65 : x - Step 2: Convert to fraction form
80,490.44/120,708.33 = 27,887.65/x - Step 3: Cross multiply
80,490.44x = 120,708.33 × 27,887.65 - Step 4: Simplify right side
80,490.44x = 3,366,271,252.78 - Step 5: Solve for x
x = 3,366,271,252.78/80,490.44 - Step 6: Final answer
x = 41,822.00
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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.