Finding the Fourth Proportional to 254,612.26, 381,918.40 and 88,400.26
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Solution
The fourth proportional to 254,612.26, 381,918.40 and 88,400.26 is: 132,600.39
Step by Step Solution
- Step 1: Write the proportion equation
254,612.26 : 381,918.40 = 88,400.26 : x - Step 2: Convert to fraction form
254,612.26/381,918.40 = 88,400.26/x - Step 3: Cross multiply
254,612.26x = 381,918.40 × 88,400.26 - Step 4: Simplify right side
254,612.26x = 33,761,685,858.78 - Step 5: Solve for x
x = 33,761,685,858.78/254,612.26 - Step 6: Final answer
x = 132,600.39
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Similar ratio
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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.