Finding the Fourth Proportional to 394,305.84, 544,153.32 and 219,880.08
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Solution
The fourth proportional to 394,305.84, 544,153.32 and 219,880.08 is: 303,440.79
Step by Step Solution
- Step 1: Write the proportion equation
394,305.84 : 544,153.32 = 219,880.08 : x - Step 2: Convert to fraction form
394,305.84/544,153.32 = 219,880.08/x - Step 3: Cross multiply
394,305.84x = 544,153.32 × 219,880.08 - Step 4: Simplify right side
394,305.84x = 119,648,475,533.87 - Step 5: Solve for x
x = 119,648,475,533.87/394,305.84 - Step 6: Final answer
x = 303,440.79
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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.