Finding the Fourth Proportional to 138,410.11, 207,483.95 and 44,850.25
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Solution
The fourth proportional to 138,410.11, 207,483.95 and 44,850.25 is: 67,232.85
Step by Step Solution
- Step 1: Write the proportion equation
138,410.11 : 207,483.95 = 44,850.25 : x - Step 2: Convert to fraction form
138,410.11/207,483.95 = 44,850.25/x - Step 3: Cross multiply
138,410.11x = 207,483.95 × 44,850.25 - Step 4: Simplify right side
138,410.11x = 9,305,706,804.24 - Step 5: Solve for x
x = 9,305,706,804.24/138,410.11 - Step 6: Final answer
x = 67,232.85
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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.