Finding the Fourth Proportional to 287,183.98, 396,310.64 and 158,119.82
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Solution
The fourth proportional to 287,183.98, 396,310.64 and 158,119.82 is: 218,203.56
Step by Step Solution
- Step 1: Write the proportion equation
287,183.98 : 396,310.64 = 158,119.82 : x - Step 2: Convert to fraction form
287,183.98/396,310.64 = 158,119.82/x - Step 3: Cross multiply
287,183.98x = 396,310.64 × 158,119.82 - Step 4: Simplify right side
287,183.98x = 62,664,567,060.88 - Step 5: Solve for x
x = 62,664,567,060.88/287,183.98 - Step 6: Final answer
x = 218,203.56
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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.