Finding the Fourth Proportional to 289,234.18, 433,785.66 and 102,245.68
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Solution
The fourth proportional to 289,234.18, 433,785.66 and 102,245.68 is: 153,345.33
Step by Step Solution
- Step 1: Write the proportion equation
289,234.18 : 433,785.66 = 102,245.68 : x - Step 2: Convert to fraction form
289,234.18/433,785.66 = 102,245.68/x - Step 3: Cross multiply
289,234.18x = 433,785.66 × 102,245.68 - Step 4: Simplify right side
289,234.18x = 44,352,709,780.95 - Step 5: Solve for x
x = 44,352,709,780.95/289,234.18 - Step 6: Final answer
x = 153,345.33
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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.