Finding the Fourth Proportional to 289,399,727.80, 434,099,591.70 and 174,608,471.80
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Solution
The fourth proportional to 289,399,727.80, 434,099,591.70 and 174,608,471.80 is: 261,912,707.70
Step by Step Solution
- Step 1: Write the proportion equation
289,399,727.80 : 434,099,591.70 = 174,608,471.80 : x - Step 2: Convert to fraction form
289,399,727.80/434,099,591.70 = 174,608,471.80/x - Step 3: Cross multiply
289,399,727.80x = 434,099,591.70 × 174,608,471.80 - Step 4: Simplify right side
289,399,727.80x = 75,797,466,315,740,960 - Step 5: Solve for x
x = 75,797,466,315,740,960/289,399,727.80 - Step 6: Final answer
x = 261,912,707.70
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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.