Finding the Fourth Proportional to 138,519.02, 207,778.57 and 33,337.99
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Solution
The fourth proportional to 138,519.02, 207,778.57 and 33,337.99 is: 50,007.00
Step by Step Solution
- Step 1: Write the proportion equation
138,519.02 : 207,778.57 = 33,337.99 : x - Step 2: Convert to fraction form
138,519.02/207,778.57 = 33,337.99/x - Step 3: Cross multiply
138,519.02x = 207,778.57 × 33,337.99 - Step 4: Simplify right side
138,519.02x = 6,926,920,568.41 - Step 5: Solve for x
x = 6,926,920,568.41/138,519.02 - Step 6: Final answer
x = 50,007.00
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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.