Finding the Fourth Proportional to 194,855.20, 292,282.80 and 192,230.80
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Solution
The fourth proportional to 194,855.20, 292,282.80 and 192,230.80 is: 288,346.20
Step by Step Solution
- Step 1: Write the proportion equation
194,855.20 : 292,282.80 = 192,230.80 : x - Step 2: Convert to fraction form
194,855.20/292,282.80 = 192,230.80/x - Step 3: Cross multiply
194,855.20x = 292,282.80 × 192,230.80 - Step 4: Simplify right side
194,855.20x = 56,185,756,470.24 - Step 5: Solve for x
x = 56,185,756,470.24/194,855.20 - Step 6: Final answer
x = 288,346.20
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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.