Finding the Fourth Proportional to 287,257.23, 430,482.50 and 227,020.87
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Solution
The fourth proportional to 287,257.23, 430,482.50 and 227,020.87 is: 340,212.54
Step by Step Solution
- Step 1: Write the proportion equation
287,257.23 : 430,482.50 = 227,020.87 : x - Step 2: Convert to fraction form
287,257.23/430,482.50 = 227,020.87/x - Step 3: Cross multiply
287,257.23x = 430,482.50 × 227,020.87 - Step 4: Simplify right side
287,257.23x = 97,728,511,924.10 - Step 5: Solve for x
x = 97,728,511,924.10/287,257.23 - Step 6: Final answer
x = 340,212.54
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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.