Finding the Fourth Proportional to 324,279.12, 485,421.66 and 276,449.28
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Solution
The fourth proportional to 324,279.12, 485,421.66 and 276,449.28 is: 413,823.96
Step by Step Solution
- Step 1: Write the proportion equation
324,279.12 : 485,421.66 = 276,449.28 : x - Step 2: Convert to fraction form
324,279.12/485,421.66 = 276,449.28/x - Step 3: Cross multiply
324,279.12x = 485,421.66 × 276,449.28 - Step 4: Simplify right side
324,279.12x = 134,194,468,403.41 - Step 5: Solve for x
x = 134,194,468,403.41/324,279.12 - Step 6: Final answer
x = 413,823.96
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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.