Finding the Fourth Proportional to 433,221.05, 649,833.39 and 284,402.99
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Solution
The fourth proportional to 433,221.05, 649,833.39 and 284,402.99 is: 426,605.67
Step by Step Solution
- Step 1: Write the proportion equation
433,221.05 : 649,833.39 = 284,402.99 : x - Step 2: Convert to fraction form
433,221.05/649,833.39 = 284,402.99/x - Step 3: Cross multiply
433,221.05x = 649,833.39 × 284,402.99 - Step 4: Simplify right side
433,221.05x = 184,814,555,868.67 - Step 5: Solve for x
x = 184,814,555,868.67/433,221.05 - Step 6: Final answer
x = 426,605.67
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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.