Finding the Fourth Proportional to 138,594.07, 207,889.28 and 33,412.19
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Solution
The fourth proportional to 138,594.07, 207,889.28 and 33,412.19 is: 50,117.85
Step by Step Solution
- Step 1: Write the proportion equation
138,594.07 : 207,889.28 = 33,412.19 : x - Step 2: Convert to fraction form
138,594.07/207,889.28 = 33,412.19/x - Step 3: Cross multiply
138,594.07x = 207,889.28 × 33,412.19 - Step 4: Simplify right side
138,594.07x = 6,946,036,600.28 - Step 5: Solve for x
x = 6,946,036,600.28/138,594.07 - Step 6: Final answer
x = 50,117.85
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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.