Finding the Fourth Proportional to 287,530.98, 396,794.38 and 166,743.99
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Solution
The fourth proportional to 287,530.98, 396,794.38 and 166,743.99 is: 230,107.65
Step by Step Solution
- Step 1: Write the proportion equation
287,530.98 : 396,794.38 = 166,743.99 : x - Step 2: Convert to fraction form
287,530.98/396,794.38 = 166,743.99/x - Step 3: Cross multiply
287,530.98x = 396,794.38 × 166,743.99 - Step 4: Simplify right side
287,530.98x = 66,163,078,130.78 - Step 5: Solve for x
x = 66,163,078,130.78/287,530.98 - Step 6: Final answer
x = 230,107.65
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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.