Finding the Fourth Proportional to 299,460.96, 449,787.60 and 187,339.68
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Solution
The fourth proportional to 299,460.96, 449,787.60 and 187,339.68 is: 281,382.47
Step by Step Solution
- Step 1: Write the proportion equation
299,460.96 : 449,787.60 = 187,339.68 : x - Step 2: Convert to fraction form
299,460.96/449,787.60 = 187,339.68/x - Step 3: Cross multiply
299,460.96x = 449,787.60 × 187,339.68 - Step 4: Simplify right side
299,460.96x = 84,263,065,051.97 - Step 5: Solve for x
x = 84,263,065,051.97/299,460.96 - Step 6: Final answer
x = 281,382.47
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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.