Finding the Fourth Proportional to 425,846.13, 587,519.26 and 272,968.62
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Solution
The fourth proportional to 425,846.13, 587,519.26 and 272,968.62 is: 376,601.57
Step by Step Solution
- Step 1: Write the proportion equation
425,846.13 : 587,519.26 = 272,968.62 : x - Step 2: Convert to fraction form
425,846.13/587,519.26 = 272,968.62/x - Step 3: Cross multiply
425,846.13x = 587,519.26 × 272,968.62 - Step 4: Simplify right side
425,846.13x = 160,374,318,740.00 - Step 5: Solve for x
x = 160,374,318,740.00/425,846.13 - Step 6: Final answer
x = 376,601.57
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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.