Finding the Fourth Proportional to 394,594.61, 544,409.84 and 222,490.94
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Solution
The fourth proportional to 394,594.61, 544,409.84 and 222,490.94 is: 306,963.79
Step by Step Solution
- Step 1: Write the proportion equation
394,594.61 : 544,409.84 = 222,490.94 : x - Step 2: Convert to fraction form
394,594.61/544,409.84 = 222,490.94/x - Step 3: Cross multiply
394,594.61x = 544,409.84 × 222,490.94 - Step 4: Simplify right side
394,594.61x = 121,126,254,881.03 - Step 5: Solve for x
x = 121,126,254,881.03/394,594.61 - Step 6: Final answer
x = 306,963.79
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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.