Finding the Fourth Proportional to 194,774.12, 268,831.62 and 126,672.68
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Solution
The fourth proportional to 194,774.12, 268,831.62 and 126,672.68 is: 174,836.48
Step by Step Solution
- Step 1: Write the proportion equation
194,774.12 : 268,831.62 = 126,672.68 : x - Step 2: Convert to fraction form
194,774.12/268,831.62 = 126,672.68/x - Step 3: Cross multiply
194,774.12x = 268,831.62 × 126,672.68 - Step 4: Simplify right side
194,774.12x = 34,053,621,774.14 - Step 5: Solve for x
x = 34,053,621,774.14/194,774.12 - Step 6: Final answer
x = 174,836.48
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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.