Finding the Fourth Proportional to 145,273.44, 217,893.84 and 40,107.36
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Solution
The fourth proportional to 145,273.44, 217,893.84 and 40,107.36 is: 60,156.53
Step by Step Solution
- Step 1: Write the proportion equation
145,273.44 : 217,893.84 = 40,107.36 : x - Step 2: Convert to fraction form
145,273.44/217,893.84 = 40,107.36/x - Step 3: Cross multiply
145,273.44x = 217,893.84 × 40,107.36 - Step 4: Simplify right side
145,273.44x = 8,739,146,682.66 - Step 5: Solve for x
x = 8,739,146,682.66/145,273.44 - Step 6: Final answer
x = 60,156.53
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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.