Finding the Fourth Proportional to 412,339.09, 568,904.10 and 266,914.53
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Solution
The fourth proportional to 412,339.09, 568,904.10 and 266,914.53 is: 368,261.88
Step by Step Solution
- Step 1: Write the proportion equation
412,339.09 : 568,904.10 = 266,914.53 : x - Step 2: Convert to fraction form
412,339.09/568,904.10 = 266,914.53/x - Step 3: Cross multiply
412,339.09x = 568,904.10 × 266,914.53 - Step 4: Simplify right side
412,339.09x = 151,848,770,466.57 - Step 5: Solve for x
x = 151,848,770,466.57/412,339.09 - Step 6: Final answer
x = 368,261.88
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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.