Finding the Fourth Proportional to 312,419.56, 467,246.94 and 277,583.08
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Solution
The fourth proportional to 312,419.56, 467,246.94 and 277,583.08 is: 415,146.37
Step by Step Solution
- Step 1: Write the proportion equation
312,419.56 : 467,246.94 = 277,583.08 : x - Step 2: Convert to fraction form
312,419.56/467,246.94 = 277,583.08/x - Step 3: Cross multiply
312,419.56x = 467,246.94 × 277,583.08 - Step 4: Simplify right side
312,419.56x = 129,699,844,725.78 - Step 5: Solve for x
x = 129,699,844,725.78/312,419.56 - Step 6: Final answer
x = 415,146.37
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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.