Finding the Fourth Proportional to 534,620.81, 737,797.05 and 305,215.44
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Solution
The fourth proportional to 534,620.81, 737,797.05 and 305,215.44 is: 421,208.92
Step by Step Solution
- Step 1: Write the proportion equation
534,620.81 : 737,797.05 = 305,215.44 : x - Step 2: Convert to fraction form
534,620.81/737,797.05 = 305,215.44/x - Step 3: Cross multiply
534,620.81x = 737,797.05 × 305,215.44 - Step 4: Simplify right side
534,620.81x = 225,187,051,246.45 - Step 5: Solve for x
x = 225,187,051,246.45/534,620.81 - Step 6: Final answer
x = 421,208.92
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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.