Finding the Fourth Proportional to 354,056.20, 488,591.42 and 192,912.56
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Solution
The fourth proportional to 354,056.20, 488,591.42 and 192,912.56 is: 266,215.99
Step by Step Solution
- Step 1: Write the proportion equation
354,056.20 : 488,591.42 = 192,912.56 : x - Step 2: Convert to fraction form
354,056.20/488,591.42 = 192,912.56/x - Step 3: Cross multiply
354,056.20x = 488,591.42 × 192,912.56 - Step 4: Simplify right side
354,056.20x = 94,255,421,626.24 - Step 5: Solve for x
x = 94,255,421,626.24/354,056.20 - Step 6: Final answer
x = 266,215.99
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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.