Finding the Fourth Proportional to 371,408.34, 512,542.08 and 201,642.42
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Solution
The fourth proportional to 371,408.34, 512,542.08 and 201,642.42 is: 278,265.76
Step by Step Solution
- Step 1: Write the proportion equation
371,408.34 : 512,542.08 = 201,642.42 : x - Step 2: Convert to fraction form
371,408.34/512,542.08 = 201,642.42/x - Step 3: Cross multiply
371,408.34x = 512,542.08 × 201,642.42 - Step 4: Simplify right side
371,408.34x = 103,350,225,363.03 - Step 5: Solve for x
x = 103,350,225,363.03/371,408.34 - Step 6: Final answer
x = 278,265.76
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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.