Finding the Fourth Proportional to 255,554.06, 352,425.39 and 201,967.09
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Solution
The fourth proportional to 255,554.06, 352,425.39 and 201,967.09 is: 278,525.53
Step by Step Solution
- Step 1: Write the proportion equation
255,554.06 : 352,425.39 = 201,967.09 : x - Step 2: Convert to fraction form
255,554.06/352,425.39 = 201,967.09/x - Step 3: Cross multiply
255,554.06x = 352,425.39 × 201,967.09 - Step 4: Simplify right side
255,554.06x = 71,178,328,698.29 - Step 5: Solve for x
x = 71,178,328,698.29/255,554.06 - Step 6: Final answer
x = 278,525.53
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1.5x scale
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.