Finding the Fourth Proportional to 254,392.35, 351,059.97 and 139,672.96
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Solution
The fourth proportional to 254,392.35, 351,059.97 and 139,672.96 is: 192,747.88
Step by Step Solution
- Step 1: Write the proportion equation
254,392.35 : 351,059.97 = 139,672.96 : x - Step 2: Convert to fraction form
254,392.35/351,059.97 = 139,672.96/x - Step 3: Cross multiply
254,392.35x = 351,059.97 × 139,672.96 - Step 4: Simplify right side
254,392.35x = 49,033,584,793.53 - Step 5: Solve for x
x = 49,033,584,793.53/254,392.35 - Step 6: Final answer
x = 192,747.88
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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.