Finding the Fourth Proportional to 371,333.98, 512,440.45 and 201,568.11
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Solution
The fourth proportional to 371,333.98, 512,440.45 and 201,568.11 is: 278,163.75
Step by Step Solution
- Step 1: Write the proportion equation
371,333.98 : 512,440.45 = 201,568.11 : x - Step 2: Convert to fraction form
371,333.98/512,440.45 = 201,568.11/x - Step 3: Cross multiply
371,333.98x = 512,440.45 × 201,568.11 - Step 4: Simplify right side
371,333.98x = 103,291,652,994.05 - Step 5: Solve for x
x = 103,291,652,994.05/371,333.98 - Step 6: Final answer
x = 278,163.75
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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.