Finding the Fourth Proportional to 412,338.09, 568,902.72 and 266,913.53
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Solution
The fourth proportional to 412,338.09, 568,902.72 and 266,913.53 is: 368,260.50
Step by Step Solution
- Step 1: Write the proportion equation
412,338.09 : 568,902.72 = 266,913.53 : x - Step 2: Convert to fraction form
412,338.09/568,902.72 = 266,913.53/x - Step 3: Cross multiply
412,338.09x = 568,902.72 × 266,913.53 - Step 4: Simplify right side
412,338.09x = 151,847,833,511.60 - Step 5: Solve for x
x = 151,847,833,511.60/412,338.09 - Step 6: Final answer
x = 368,260.50
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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.