Finding the Fourth Proportional to 194,470.80, 291,268.80 and 115,738.80
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Solution
The fourth proportional to 194,470.80, 291,268.80 and 115,738.80 is: 173,347.88
Step by Step Solution
- Step 1: Write the proportion equation
194,470.80 : 291,268.80 = 115,738.80 : x - Step 2: Convert to fraction form
194,470.80/291,268.80 = 115,738.80/x - Step 3: Cross multiply
194,470.80x = 291,268.80 × 115,738.80 - Step 4: Simplify right side
194,470.80x = 33,711,101,389.44 - Step 5: Solve for x
x = 33,711,101,389.44/194,470.80 - Step 6: Final answer
x = 173,347.88
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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.