Finding the Fourth Proportional to 287,201.46, 396,344.97 and 159,885.66
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Solution
The fourth proportional to 287,201.46, 396,344.97 and 159,885.66 is: 220,646.08
Step by Step Solution
- Step 1: Write the proportion equation
287,201.46 : 396,344.97 = 159,885.66 : x - Step 2: Convert to fraction form
287,201.46/396,344.97 = 159,885.66/x - Step 3: Cross multiply
287,201.46x = 396,344.97 × 159,885.66 - Step 4: Simplify right side
287,201.46x = 63,369,877,116.13 - Step 5: Solve for x
x = 63,369,877,116.13/287,201.46 - Step 6: Final answer
x = 220,646.08
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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.