Finding the Fourth Proportional to 288,134.24, 397,149.34 and 192,606.08
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Solution
The fourth proportional to 288,134.24, 397,149.34 and 192,606.08 is: 265,478.26
Step by Step Solution
- Step 1: Write the proportion equation
288,134.24 : 397,149.34 = 192,606.08 : x - Step 2: Convert to fraction form
288,134.24/397,149.34 = 192,606.08/x - Step 3: Cross multiply
288,134.24x = 397,149.34 × 192,606.08 - Step 4: Simplify right side
288,134.24x = 76,493,377,551.99 - Step 5: Solve for x
x = 76,493,377,551.99/288,134.24 - Step 6: Final answer
x = 265,478.26
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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.