Finding the Fourth Proportional to 394,414,115.70, 591,621,173.55 and 241,359,107.70
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Solution
The fourth proportional to 394,414,115.70, 591,621,173.55 and 241,359,107.70 is: 362,038,661.55
Step by Step Solution
- Step 1: Write the proportion equation
394,414,115.70 : 591,621,173.55 = 241,359,107.70 : x - Step 2: Convert to fraction form
394,414,115.70/591,621,173.55 = 241,359,107.70/x - Step 3: Cross multiply
394,414,115.70x = 591,621,173.55 × 241,359,107.70 - Step 4: Simplify right side
394,414,115.70x = 142,793,158,544,454,816 - Step 5: Solve for x
x = 142,793,158,544,454,816/394,414,115.70 - Step 6: Final answer
x = 362,038,661.55
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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.