Finding the Fourth Proportional to 381,106.96, 571,660.44 and 131,652.88
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Solution
The fourth proportional to 381,106.96, 571,660.44 and 131,652.88 is: 197,479.32
Step by Step Solution
- Step 1: Write the proportion equation
381,106.96 : 571,660.44 = 131,652.88 : x - Step 2: Convert to fraction form
381,106.96/571,660.44 = 131,652.88/x - Step 3: Cross multiply
381,106.96x = 571,660.44 × 131,652.88 - Step 4: Simplify right side
381,106.96x = 75,260,743,308.07 - Step 5: Solve for x
x = 75,260,743,308.07/381,106.96 - Step 6: Final answer
x = 197,479.32
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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.