Finding the Fourth Proportional to 287,252.56, 430,678.98 and 127,241.62
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Solution
The fourth proportional to 287,252.56, 430,678.98 and 127,241.62 is: 190,773.90
Step by Step Solution
- Step 1: Write the proportion equation
287,252.56 : 430,678.98 = 127,241.62 : x - Step 2: Convert to fraction form
287,252.56/430,678.98 = 127,241.62/x - Step 3: Cross multiply
287,252.56x = 430,678.98 × 127,241.62 - Step 4: Simplify right side
287,252.56x = 54,800,291,115.15 - Step 5: Solve for x
x = 54,800,291,115.15/287,252.56 - Step 6: Final answer
x = 190,773.90
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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.