Finding the Fourth Proportional to 268,787.16, 402,872.94 and 110,820.96
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Solution
The fourth proportional to 268,787.16, 402,872.94 and 110,820.96 is: 166,104.53
Step by Step Solution
- Step 1: Write the proportion equation
268,787.16 : 402,872.94 = 110,820.96 : x - Step 2: Convert to fraction form
268,787.16/402,872.94 = 110,820.96/x - Step 3: Cross multiply
268,787.16x = 402,872.94 × 110,820.96 - Step 4: Simplify right side
268,787.16x = 44,646,765,968.82 - Step 5: Solve for x
x = 44,646,765,968.82/268,787.16 - Step 6: Final answer
x = 166,104.53
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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.