Finding the Fourth Proportional to 287,314.64, 396,494.19 and 166,525.99
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Solution
The fourth proportional to 287,314.64, 396,494.19 and 166,525.99 is: 229,805.85
Step by Step Solution
- Step 1: Write the proportion equation
287,314.64 : 396,494.19 = 166,525.99 : x - Step 2: Convert to fraction form
287,314.64/396,494.19 = 166,525.99/x - Step 3: Cross multiply
287,314.64x = 396,494.19 × 166,525.99 - Step 4: Simplify right side
287,314.64x = 66,026,586,686.37 - Step 5: Solve for x
x = 66,026,586,686.37/287,314.64 - Step 6: Final answer
x = 229,805.85
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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.