Finding the Fourth Proportional to 255,414.94, 382,884.23 and 86,820.05
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Solution
The fourth proportional to 255,414.94, 382,884.23 and 86,820.05 is: 130,149.12
Step by Step Solution
- Step 1: Write the proportion equation
255,414.94 : 382,884.23 = 86,820.05 : x - Step 2: Convert to fraction form
255,414.94/382,884.23 = 86,820.05/x - Step 3: Cross multiply
255,414.94x = 382,884.23 × 86,820.05 - Step 4: Simplify right side
255,414.94x = 33,242,029,167.07 - Step 5: Solve for x
x = 33,242,029,167.07/255,414.94 - Step 6: Final answer
x = 130,149.12
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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.