Finding the Fourth Proportional to 356,391.24, 491,817.12 and 193,044.21
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Solution
The fourth proportional to 356,391.24, 491,817.12 and 193,044.21 is: 266,399.50
Step by Step Solution
- Step 1: Write the proportion equation
356,391.24 : 491,817.12 = 193,044.21 : x - Step 2: Convert to fraction form
356,391.24/491,817.12 = 193,044.21/x - Step 3: Cross multiply
356,391.24x = 491,817.12 × 193,044.21 - Step 4: Simplify right side
356,391.24x = 94,942,447,593.12 - Step 5: Solve for x
x = 94,942,447,593.12/356,391.24 - Step 6: Final answer
x = 266,399.50
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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.