Finding the Fourth Proportional to 194,794.20, 291,608.10 and 115,867.80
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Solution
The fourth proportional to 194,794.20, 291,608.10 and 115,867.80 is: 173,454.80
Step by Step Solution
- Step 1: Write the proportion equation
194,794.20 : 291,608.10 = 115,867.80 : x - Step 2: Convert to fraction form
194,794.20/291,608.10 = 115,867.80/x - Step 3: Cross multiply
194,794.20x = 291,608.10 × 115,867.80 - Step 4: Simplify right side
194,794.20x = 33,787,989,009.18 - Step 5: Solve for x
x = 33,787,989,009.18/194,794.20 - Step 6: Final answer
x = 173,454.80
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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.