Finding the Fourth Proportional to 289,234.68, 433,786.41 and 102,246.18
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Solution
The fourth proportional to 289,234.68, 433,786.41 and 102,246.18 is: 153,346.08
Step by Step Solution
- Step 1: Write the proportion equation
289,234.68 : 433,786.41 = 102,246.18 : x - Step 2: Convert to fraction form
289,234.68/433,786.41 = 102,246.18/x - Step 3: Cross multiply
289,234.68x = 433,786.41 × 102,246.18 - Step 4: Simplify right side
289,234.68x = 44,353,003,358.41 - Step 5: Solve for x
x = 44,353,003,358.41/289,234.68 - Step 6: Final answer
x = 153,346.08
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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.