Finding the Fourth Proportional to 263,385.74, 394,303.05 and 163,224.02
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Solution
The fourth proportional to 263,385.74, 394,303.05 and 163,224.02 is: 244,355.40
Step by Step Solution
- Step 1: Write the proportion equation
263,385.74 : 394,303.05 = 163,224.02 : x - Step 2: Convert to fraction form
263,385.74/394,303.05 = 163,224.02/x - Step 3: Cross multiply
263,385.74x = 394,303.05 × 163,224.02 - Step 4: Simplify right side
263,385.74x = 64,359,728,919.26 - Step 5: Solve for x
x = 64,359,728,919.26/263,385.74 - Step 6: Final answer
x = 244,355.40
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.