Finding the Fourth Proportional to 400,686.07, 600,074.99 and 231,850.58
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Solution
The fourth proportional to 400,686.07, 600,074.99 and 231,850.58 is: 347,223.79
Step by Step Solution
- Step 1: Write the proportion equation
400,686.07 : 600,074.99 = 231,850.58 : x - Step 2: Convert to fraction form
400,686.07/600,074.99 = 231,850.58/x - Step 3: Cross multiply
400,686.07x = 600,074.99 × 231,850.58 - Step 4: Simplify right side
400,686.07x = 139,127,734,474.99 - Step 5: Solve for x
x = 139,127,734,474.99/400,686.07 - Step 6: Final answer
x = 347,223.79
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1.5x scale
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.