Finding the Fourth Proportional to 201,242.90, 277,714.28 and 115,201.41
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Solution
The fourth proportional to 201,242.90, 277,714.28 and 115,201.41 is: 158,977.41
Step by Step Solution
- Step 1: Write the proportion equation
201,242.90 : 277,714.28 = 115,201.41 : x - Step 2: Convert to fraction form
201,242.90/277,714.28 = 115,201.41/x - Step 3: Cross multiply
201,242.90x = 277,714.28 × 115,201.41 - Step 4: Simplify right side
201,242.90x = 31,993,076,057.13 - Step 5: Solve for x
x = 31,993,076,057.13/201,242.90 - Step 6: Final answer
x = 158,977.41
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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.