Finding the Fourth Proportional to 138,604.01, 207,904.19 and 33,422.06
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Solution
The fourth proportional to 138,604.01, 207,904.19 and 33,422.06 is: 50,132.65
Step by Step Solution
- Step 1: Write the proportion equation
138,604.01 : 207,904.19 = 33,422.06 : x - Step 2: Convert to fraction form
138,604.01/207,904.19 = 33,422.06/x - Step 3: Cross multiply
138,604.01x = 207,904.19 × 33,422.06 - Step 4: Simplify right side
138,604.01x = 6,948,586,665.08 - Step 5: Solve for x
x = 6,948,586,665.08/138,604.01 - Step 6: Final answer
x = 50,132.65
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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.