Finding the Fourth Proportional to 355,372.98, 490,426.04 and 194,224.57
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Solution
The fourth proportional to 355,372.98, 490,426.04 and 194,224.57 is: 268,036.09
Step by Step Solution
- Step 1: Write the proportion equation
355,372.98 : 490,426.04 = 194,224.57 : x - Step 2: Convert to fraction form
355,372.98/490,426.04 = 194,224.57/x - Step 3: Cross multiply
355,372.98x = 490,426.04 × 194,224.57 - Step 4: Simplify right side
355,372.98x = 95,252,783,731.74 - Step 5: Solve for x
x = 95,252,783,731.74/355,372.98 - Step 6: Final answer
x = 268,036.09
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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.