Finding the Fourth Proportional to 419,886.36, 579,268.71 and 247,735.98
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Solution
The fourth proportional to 419,886.36, 579,268.71 and 247,735.98 is: 341,772.72
Step by Step Solution
- Step 1: Write the proportion equation
419,886.36 : 579,268.71 = 247,735.98 : x - Step 2: Convert to fraction form
419,886.36/579,268.71 = 247,735.98/x - Step 3: Cross multiply
419,886.36x = 579,268.71 × 247,735.98 - Step 4: Simplify right side
419,886.36x = 143,505,701,555.19 - Step 5: Solve for x
x = 143,505,701,555.19/419,886.36 - Step 6: Final answer
x = 341,772.72
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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.