Finding the Fourth Proportional to 282,021.19, 422,821.40 and 169,675.09
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Solution
The fourth proportional to 282,021.19, 422,821.40 and 169,675.09 is: 254,386.05
Step by Step Solution
- Step 1: Write the proportion equation
282,021.19 : 422,821.40 = 169,675.09 : x - Step 2: Convert to fraction form
282,021.19/422,821.40 = 169,675.09/x - Step 3: Cross multiply
282,021.19x = 422,821.40 × 169,675.09 - Step 4: Simplify right side
282,021.19x = 71,742,258,147.92 - Step 5: Solve for x
x = 71,742,258,147.92/282,021.19 - Step 6: Final answer
x = 254,386.05
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1.5x scale
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.