Finding the Fourth Proportional to 190,334.60, 262,542.83 and 122,439.99
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Solution
The fourth proportional to 190,334.60, 262,542.83 and 122,439.99 is: 168,890.69
Step by Step Solution
- Step 1: Write the proportion equation
190,334.60 : 262,542.83 = 122,439.99 : x - Step 2: Convert to fraction form
190,334.60/262,542.83 = 122,439.99/x - Step 3: Cross multiply
190,334.60x = 262,542.83 × 122,439.99 - Step 4: Simplify right side
190,334.60x = 32,145,741,479.77 - Step 5: Solve for x
x = 32,145,741,479.77/190,334.60 - Step 6: Final answer
x = 168,890.69
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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.