Finding the Fourth Proportional to 287,466.65, 396,698.99 and 166,619.18
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Solution
The fourth proportional to 287,466.65, 396,698.99 and 166,619.18 is: 229,931.58
Step by Step Solution
- Step 1: Write the proportion equation
287,466.65 : 396,698.99 = 166,619.18 : x - Step 2: Convert to fraction form
287,466.65/396,698.99 = 166,619.18/x - Step 3: Cross multiply
287,466.65x = 396,698.99 × 166,619.18 - Step 4: Simplify right side
287,466.65x = 66,097,660,837.18 - Step 5: Solve for x
x = 66,097,660,837.18/287,466.65 - Step 6: Final answer
x = 229,931.58
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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.