Finding the Fourth Proportional to 138,598.74, 207,896.28 and 33,416.88
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Solution
The fourth proportional to 138,598.74, 207,896.28 and 33,416.88 is: 50,124.88
Step by Step Solution
- Step 1: Write the proportion equation
138,598.74 : 207,896.28 = 33,416.88 : x - Step 2: Convert to fraction form
138,598.74/207,896.28 = 33,416.88/x - Step 3: Cross multiply
138,598.74x = 207,896.28 × 33,416.88 - Step 4: Simplify right side
138,598.74x = 6,947,245,041.21 - Step 5: Solve for x
x = 6,947,245,041.21/138,598.74 - Step 6: Final answer
x = 50,124.88
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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.