Finding the Fourth Proportional to 201,311.56, 277,815.30 and 109,437.02
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Solution
The fourth proportional to 201,311.56, 277,815.30 and 109,437.02 is: 151,025.99
Step by Step Solution
- Step 1: Write the proportion equation
201,311.56 : 277,815.30 = 109,437.02 : x - Step 2: Convert to fraction form
201,311.56/277,815.30 = 109,437.02/x - Step 3: Cross multiply
201,311.56x = 277,815.30 × 109,437.02 - Step 4: Simplify right side
201,311.56x = 30,403,278,542.41 - Step 5: Solve for x
x = 30,403,278,542.41/201,311.56 - Step 6: Final answer
x = 151,025.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.