Finding the Fourth Proportional to 503,169.08, 694,472.58 and 288,453.32
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Solution
The fourth proportional to 503,169.08, 694,472.58 and 288,453.32 is: 398,122.48
Step by Step Solution
- Step 1: Write the proportion equation
503,169.08 : 694,472.58 = 288,453.32 : x - Step 2: Convert to fraction form
503,169.08/694,472.58 = 288,453.32/x - Step 3: Cross multiply
503,169.08x = 694,472.58 × 288,453.32 - Step 4: Simplify right side
503,169.08x = 200,322,921,349.97 - Step 5: Solve for x
x = 200,322,921,349.97/503,169.08 - Step 6: Final answer
x = 398,122.48
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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.