Finding the Fourth Proportional to 414,154.53, 621,231.80 and 133,713.09
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Solution
The fourth proportional to 414,154.53, 621,231.80 and 133,713.09 is: 200,569.64
Step by Step Solution
- Step 1: Write the proportion equation
414,154.53 : 621,231.80 = 133,713.09 : x - Step 2: Convert to fraction form
414,154.53/621,231.80 = 133,713.09/x - Step 3: Cross multiply
414,154.53x = 621,231.80 × 133,713.09 - Step 4: Simplify right side
414,154.53x = 83,066,822,915.70 - Step 5: Solve for x
x = 83,066,822,915.70/414,154.53 - Step 6: Final answer
x = 200,569.64
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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.