Finding the Fourth Proportional to 355,156.18, 490,126.06 and 194,013.90
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Solution
The fourth proportional to 355,156.18, 490,126.06 and 194,013.90 is: 267,744.94
Step by Step Solution
- Step 1: Write the proportion equation
355,156.18 : 490,126.06 = 194,013.90 : x - Step 2: Convert to fraction form
355,156.18/490,126.06 = 194,013.90/x - Step 3: Cross multiply
355,156.18x = 490,126.06 × 194,013.90 - Step 4: Simplify right side
355,156.18x = 95,091,268,392.23 - Step 5: Solve for x
x = 95,091,268,392.23/355,156.18 - Step 6: Final answer
x = 267,744.94
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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.