Finding the Fourth Proportional to 503,761.21, 755,937.07 and 361,453.12
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Solution
The fourth proportional to 503,761.21, 755,937.07 and 361,453.12 is: 542,391.53
Step by Step Solution
- Step 1: Write the proportion equation
503,761.21 : 755,937.07 = 361,453.12 : x - Step 2: Convert to fraction form
503,761.21/755,937.07 = 361,453.12/x - Step 3: Cross multiply
503,761.21x = 755,937.07 × 361,453.12 - Step 4: Simplify right side
503,761.21x = 273,235,809,681.68 - Step 5: Solve for x
x = 273,235,809,681.68/503,761.21 - Step 6: Final answer
x = 542,391.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.