Finding the Fourth Proportional to 371,112.54, 512,135.34 and 201,346.68
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Solution
The fourth proportional to 371,112.54, 512,135.34 and 201,346.68 is: 277,858.44
Step by Step Solution
- Step 1: Write the proportion equation
371,112.54 : 512,135.34 = 201,346.68 : x - Step 2: Convert to fraction form
371,112.54/512,135.34 = 201,346.68/x - Step 3: Cross multiply
371,112.54x = 512,135.34 × 201,346.68 - Step 4: Simplify right side
371,112.54x = 103,116,750,419.67 - Step 5: Solve for x
x = 103,116,750,419.67/371,112.54 - Step 6: Final answer
x = 277,858.44
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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.