Finding the Fourth Proportional to 194,525.54, 268,512.21 and 113,979.14
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Solution
The fourth proportional to 194,525.54, 268,512.21 and 113,979.14 is: 157,330.45
Step by Step Solution
- Step 1: Write the proportion equation
194,525.54 : 268,512.21 = 113,979.14 : x - Step 2: Convert to fraction form
194,525.54/268,512.21 = 113,979.14/x - Step 3: Cross multiply
194,525.54x = 268,512.21 × 113,979.14 - Step 4: Simplify right side
194,525.54x = 30,604,789,432.74 - Step 5: Solve for x
x = 30,604,789,432.74/194,525.54 - Step 6: Final answer
x = 157,330.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.