Finding the Fourth Proportional to 355,107.70, 490,045.38 and 193,962.70
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Solution
The fourth proportional to 355,107.70, 490,045.38 and 193,962.70 is: 267,666.75
Step by Step Solution
- Step 1: Write the proportion equation
355,107.70 : 490,045.38 = 193,962.70 : x - Step 2: Convert to fraction form
355,107.70/490,045.38 = 193,962.70/x - Step 3: Cross multiply
355,107.70x = 490,045.38 × 193,962.70 - Step 4: Simplify right side
355,107.70x = 95,050,525,027.33 - Step 5: Solve for x
x = 95,050,525,027.33/355,107.70 - Step 6: Final answer
x = 267,666.75
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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.