Finding the Fourth Proportional to 180,787.16, 271,183.47 and 68,437.21
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Solution
The fourth proportional to 180,787.16, 271,183.47 and 68,437.21 is: 102,656.85
Step by Step Solution
- Step 1: Write the proportion equation
180,787.16 : 271,183.47 = 68,437.21 : x - Step 2: Convert to fraction form
180,787.16/271,183.47 = 68,437.21/x - Step 3: Cross multiply
180,787.16x = 271,183.47 × 68,437.21 - Step 4: Simplify right side
180,787.16x = 18,559,040,084.92 - Step 5: Solve for x
x = 18,559,040,084.92/180,787.16 - Step 6: Final answer
x = 102,656.85
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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.