Finding the Fourth Proportional to 306,751.26, 423,207.14 and 177,619.26
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Solution
The fourth proportional to 306,751.26, 423,207.14 and 177,619.26 is: 245,051.12
Step by Step Solution
- Step 1: Write the proportion equation
306,751.26 : 423,207.14 = 177,619.26 : x - Step 2: Convert to fraction form
306,751.26/423,207.14 = 177,619.26/x - Step 3: Cross multiply
306,751.26x = 423,207.14 × 177,619.26 - Step 4: Simplify right side
306,751.26x = 75,169,739,033.52 - Step 5: Solve for x
x = 75,169,739,033.52/306,751.26 - Step 6: Final answer
x = 245,051.12
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.