Finding the Fourth Proportional to 400.09, 600.00 and 140.02
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Solution
The fourth proportional to 400.09, 600.00 and 140.02 is: 209.99
Step by Step Solution
- Step 1: Write the proportion equation
400.09 : 600.00 = 140.02 : x - Step 2: Convert to fraction form
400.09/600.00 = 140.02/x - Step 3: Cross multiply
400.09x = 600.00 × 140.02 - Step 4: Simplify right side
400.09x = 84,013.72 - Step 5: Solve for x
x = 84,013.72/400.09 - Step 6: Final answer
x = 209.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.