Finding the Fourth Proportional to 425,992.76, 587,609.52 and 272,979.44
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Solution
The fourth proportional to 425,992.76, 587,609.52 and 272,979.44 is: 376,544.70
Step by Step Solution
- Step 1: Write the proportion equation
425,992.76 : 587,609.52 = 272,979.44 : x - Step 2: Convert to fraction form
425,992.76/587,609.52 = 272,979.44/x - Step 3: Cross multiply
425,992.76x = 587,609.52 × 272,979.44 - Step 4: Simplify right side
425,992.76x = 160,405,317,708.27 - Step 5: Solve for x
x = 160,405,317,708.27/425,992.76 - Step 6: Final answer
x = 376,544.70
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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.