Finding the Fourth Proportional to 355,939.17, 491,192.33 and 203,002.26
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Solution
The fourth proportional to 355,939.17, 491,192.33 and 203,002.26 is: 280,140.99
Step by Step Solution
- Step 1: Write the proportion equation
355,939.17 : 491,192.33 = 203,002.26 : x - Step 2: Convert to fraction form
355,939.17/491,192.33 = 203,002.26/x - Step 3: Cross multiply
355,939.17x = 491,192.33 × 203,002.26 - Step 4: Simplify right side
355,939.17x = 99,713,153,084.67 - Step 5: Solve for x
x = 99,713,153,084.67/355,939.17 - Step 6: Final answer
x = 280,140.99
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1.5x scale
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.