Finding the Fourth Proportional to 433,135.85, 649,796.49 and 129,553.82
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Solution
The fourth proportional to 433,135.85, 649,796.49 and 129,553.82 is: 194,358.45
Step by Step Solution
- Step 1: Write the proportion equation
433,135.85 : 649,796.49 = 129,553.82 : x - Step 2: Convert to fraction form
433,135.85/649,796.49 = 129,553.82/x - Step 3: Cross multiply
433,135.85x = 649,796.49 × 129,553.82 - Step 4: Simplify right side
433,135.85x = 84,183,613,605.34 - Step 5: Solve for x
x = 84,183,613,605.34/433,135.85 - Step 6: Final answer
x = 194,358.45
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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.