Finding the Fourth Proportional to 344,053.62, 515,155.41 and 280,611.99
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Solution
The fourth proportional to 344,053.62, 515,155.41 and 280,611.99 is: 420,163.53
Step by Step Solution
- Step 1: Write the proportion equation
344,053.62 : 515,155.41 = 280,611.99 : x - Step 2: Convert to fraction form
344,053.62/515,155.41 = 280,611.99/x - Step 3: Cross multiply
344,053.62x = 515,155.41 × 280,611.99 - Step 4: Simplify right side
344,053.62x = 144,558,784,759.37 - Step 5: Solve for x
x = 144,558,784,759.37/344,053.62 - Step 6: Final answer
x = 420,163.53
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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.