Finding the Fourth Proportional to 324,506.07, 486,759.47 and 84,619.75
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Solution
The fourth proportional to 324,506.07, 486,759.47 and 84,619.75 is: 126,929.72
Step by Step Solution
- Step 1: Write the proportion equation
324,506.07 : 486,759.47 = 84,619.75 : x - Step 2: Convert to fraction form
324,506.07/486,759.47 = 84,619.75/x - Step 3: Cross multiply
324,506.07x = 486,759.47 × 84,619.75 - Step 4: Simplify right side
324,506.07x = 41,189,464,661.53 - Step 5: Solve for x
x = 41,189,464,661.53/324,506.07 - Step 6: Final answer
x = 126,929.72
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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.