Finding the Fourth Proportional to 192,620.80, 288,844.80 and 74,252.80
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Solution
The fourth proportional to 192,620.80, 288,844.80 and 74,252.80 is: 111,345.89
Step by Step Solution
- Step 1: Write the proportion equation
192,620.80 : 288,844.80 = 74,252.80 : x - Step 2: Convert to fraction form
192,620.80/288,844.80 = 74,252.80/x - Step 3: Cross multiply
192,620.80x = 288,844.80 × 74,252.80 - Step 4: Simplify right side
192,620.80x = 21,447,535,165.44 - Step 5: Solve for x
x = 21,447,535,165.44/192,620.80 - Step 6: Final answer
x = 111,345.89
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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.