Finding the Fourth Proportional to 281,986.18, 423,004.20 and 79,584.09
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Solution
The fourth proportional to 281,986.18, 423,004.20 and 79,584.09 is: 119,383.17
Step by Step Solution
- Step 1: Write the proportion equation
281,986.18 : 423,004.20 = 79,584.09 : x - Step 2: Convert to fraction form
281,986.18/423,004.20 = 79,584.09/x - Step 3: Cross multiply
281,986.18x = 423,004.20 × 79,584.09 - Step 4: Simplify right side
281,986.18x = 33,664,404,323.18 - Step 5: Solve for x
x = 33,664,404,323.18/281,986.18 - Step 6: Final answer
x = 119,383.17
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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.