Finding the Fourth Proportional to 355,432.44, 490,496.79 and 194,288.13
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Solution
The fourth proportional to 355,432.44, 490,496.79 and 194,288.13 is: 268,117.63
Step by Step Solution
- Step 1: Write the proportion equation
355,432.44 : 490,496.79 = 194,288.13 : x - Step 2: Convert to fraction form
355,432.44/490,496.79 = 194,288.13/x - Step 3: Cross multiply
355,432.44x = 490,496.79 × 194,288.13 - Step 4: Simplify right side
355,432.44x = 95,297,704,100.10 - Step 5: Solve for x
x = 95,297,704,100.10/355,432.44 - Step 6: Final answer
x = 268,117.63
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.