Finding the Fourth Proportional to 394,356.20, 544,474.31 and 233,262.99
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Solution
The fourth proportional to 394,356.20, 544,474.31 and 233,262.99 is: 322,058.35
Step by Step Solution
- Step 1: Write the proportion equation
394,356.20 : 544,474.31 = 233,262.99 : x - Step 2: Convert to fraction form
394,356.20/544,474.31 = 233,262.99/x - Step 3: Cross multiply
394,356.20x = 544,474.31 × 233,262.99 - Step 4: Simplify right side
394,356.20x = 127,005,704,362.47 - Step 5: Solve for x
x = 127,005,704,362.47/394,356.20 - Step 6: Final answer
x = 322,058.35
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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.