Finding the Fourth Proportional to 312,365.97, 468,548.93 and 75,708.65
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Solution
The fourth proportional to 312,365.97, 468,548.93 and 75,708.65 is: 113,562.96
Step by Step Solution
- Step 1: Write the proportion equation
312,365.97 : 468,548.93 = 75,708.65 : x - Step 2: Convert to fraction form
312,365.97/468,548.93 = 75,708.65/x - Step 3: Cross multiply
312,365.97x = 468,548.93 × 75,708.65 - Step 4: Simplify right side
312,365.97x = 35,473,204,227.96 - Step 5: Solve for x
x = 35,473,204,227.96/312,365.97 - Step 6: Final answer
x = 113,562.96
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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.