Finding the Fourth Proportional to 433,081.08, 649,614.46 and 129,475.94
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Solution
The fourth proportional to 433,081.08, 649,614.46 and 129,475.94 is: 194,211.76
Step by Step Solution
- Step 1: Write the proportion equation
433,081.08 : 649,614.46 = 129,475.94 : x - Step 2: Convert to fraction form
433,081.08/649,614.46 = 129,475.94/x - Step 3: Cross multiply
433,081.08x = 649,614.46 × 129,475.94 - Step 4: Simplify right side
433,081.08x = 84,109,438,950.64 - Step 5: Solve for x
x = 84,109,438,950.64/433,081.08 - Step 6: Final answer
x = 194,211.76
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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.