Finding the Fourth Proportional to 395,568.24, 545,886.81 and 214,280.19
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Solution
The fourth proportional to 395,568.24, 545,886.81 and 214,280.19 is: 295,708.09
Step by Step Solution
- Step 1: Write the proportion equation
395,568.24 : 545,886.81 = 214,280.19 : x - Step 2: Convert to fraction form
395,568.24/545,886.81 = 214,280.19/x - Step 3: Cross multiply
395,568.24x = 545,886.81 × 214,280.19 - Step 4: Simplify right side
395,568.24x = 116,972,729,365.29 - Step 5: Solve for x
x = 116,972,729,365.29/395,568.24 - Step 6: Final answer
x = 295,708.09
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1.5x scale
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.