Finding the Fourth Proportional to 543,133.94, 749,351.44 and 313,660.91
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Solution
The fourth proportional to 543,133.94, 749,351.44 and 313,660.91 is: 432,751.92
Step by Step Solution
- Step 1: Write the proportion equation
543,133.94 : 749,351.44 = 313,660.91 : x - Step 2: Convert to fraction form
543,133.94/749,351.44 = 313,660.91/x - Step 3: Cross multiply
543,133.94x = 749,351.44 × 313,660.91 - Step 4: Simplify right side
543,133.94x = 235,042,255,669.44 - Step 5: Solve for x
x = 235,042,255,669.44/543,133.94 - Step 6: Final answer
x = 432,751.92
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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.