Finding the Fourth Proportional to 287,958.97, 397,380.67 and 158,898.63
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Solution
The fourth proportional to 287,958.97, 397,380.67 and 158,898.63 is: 219,278.61
Step by Step Solution
- Step 1: Write the proportion equation
287,958.97 : 397,380.67 = 158,898.63 : x - Step 2: Convert to fraction form
287,958.97/397,380.67 = 158,898.63/x - Step 3: Cross multiply
287,958.97x = 397,380.67 × 158,898.63 - Step 4: Simplify right side
287,958.97x = 63,143,244,051.48 - Step 5: Solve for x
x = 63,143,244,051.48/287,958.97 - Step 6: Final answer
x = 219,278.61
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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.