Finding the Fourth Proportional to 287,182.68, 430,861.86 and 147,040.44
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Solution
The fourth proportional to 287,182.68, 430,861.86 and 147,040.44 is: 220,605.63
Step by Step Solution
- Step 1: Write the proportion equation
287,182.68 : 430,861.86 = 147,040.44 : x - Step 2: Convert to fraction form
287,182.68/430,861.86 = 147,040.44/x - Step 3: Cross multiply
287,182.68x = 430,861.86 × 147,040.44 - Step 4: Simplify right side
287,182.68x = 63,354,117,473.62 - Step 5: Solve for x
x = 63,354,117,473.62/287,182.68 - Step 6: Final answer
x = 220,605.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.