Finding the Fourth Proportional to 371,215.85, 512,277.85 and 201,449.97
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Solution
The fourth proportional to 371,215.85, 512,277.85 and 201,449.97 is: 278,000.95
Step by Step Solution
- Step 1: Write the proportion equation
371,215.85 : 512,277.85 = 201,449.97 : x - Step 2: Convert to fraction form
371,215.85/512,277.85 = 201,449.97/x - Step 3: Cross multiply
371,215.85x = 512,277.85 × 201,449.97 - Step 4: Simplify right side
371,215.85x = 103,198,357,765.98 - Step 5: Solve for x
x = 103,198,357,765.98/371,215.85 - Step 6: Final answer
x = 278,000.95
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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.