Finding the Fourth Proportional to 394,474.20, 544,373.10 and 224,737.08
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Solution
The fourth proportional to 394,474.20, 544,373.10 and 224,737.08 is: 310,136.43
Step by Step Solution
- Step 1: Write the proportion equation
394,474.20 : 544,373.10 = 224,737.08 : x - Step 2: Convert to fraction form
394,474.20/544,373.10 = 224,737.08/x - Step 3: Cross multiply
394,474.20x = 544,373.10 × 224,737.08 - Step 4: Simplify right side
394,474.20x = 122,340,820,924.55 - Step 5: Solve for x
x = 122,340,820,924.55/394,474.20 - Step 6: Final answer
x = 310,136.43
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1.5x scale
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.