Finding the Fourth Proportional to 459,450.99, 689,176.53 and 143,932.50
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Solution
The fourth proportional to 459,450.99, 689,176.53 and 143,932.50 is: 215,898.76
Step by Step Solution
- Step 1: Write the proportion equation
459,450.99 : 689,176.53 = 143,932.50 : x - Step 2: Convert to fraction form
459,450.99/689,176.53 = 143,932.50/x - Step 3: Cross multiply
459,450.99x = 689,176.53 × 143,932.50 - Step 4: Simplify right side
459,450.99x = 99,194,900,904.23 - Step 5: Solve for x
x = 99,194,900,904.23/459,450.99 - Step 6: Final answer
x = 215,898.76
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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.