Finding the Fourth Proportional to 669,091.91, 923,322.08 and 363,161.70
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Solution
The fourth proportional to 669,091.91, 923,322.08 and 363,161.70 is: 501,149.71
Step by Step Solution
- Step 1: Write the proportion equation
669,091.91 : 923,322.08 = 363,161.70 : x - Step 2: Convert to fraction form
669,091.91/923,322.08 = 363,161.70/x - Step 3: Cross multiply
669,091.91x = 923,322.08 × 363,161.70 - Step 4: Simplify right side
669,091.91x = 335,315,217,128.24 - Step 5: Solve for x
x = 335,315,217,128.24/669,091.91 - Step 6: Final answer
x = 501,149.71
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.