Finding the Fourth Proportional to 131,867.79, 197,787.20 and 37,100.99
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Solution
The fourth proportional to 131,867.79, 197,787.20 and 37,100.99 is: 55,647.40
Step by Step Solution
- Step 1: Write the proportion equation
131,867.79 : 197,787.20 = 37,100.99 : x - Step 2: Convert to fraction form
131,867.79/197,787.20 = 37,100.99/x - Step 3: Cross multiply
131,867.79x = 197,787.20 × 37,100.99 - Step 4: Simplify right side
131,867.79x = 7,338,099,754.89 - Step 5: Solve for x
x = 7,338,099,754.89/131,867.79 - Step 6: Final answer
x = 55,647.40
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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.