Finding the Fourth Proportional to 355,295.12, 490,308.49 and 194,150.17
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Solution
The fourth proportional to 355,295.12, 490,308.49 and 194,150.17 is: 267,927.90
Step by Step Solution
- Step 1: Write the proportion equation
355,295.12 : 490,308.49 = 194,150.17 : x - Step 2: Convert to fraction form
355,295.12/490,308.49 = 194,150.17/x - Step 3: Cross multiply
355,295.12x = 490,308.49 × 194,150.17 - Step 4: Simplify right side
355,295.12x = 95,193,475,715.19 - Step 5: Solve for x
x = 95,193,475,715.19/355,295.12 - Step 6: Final answer
x = 267,927.90
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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.