Finding the Fourth Proportional to 256,604.91, 354,108.48 and 141,880.53
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Solution
The fourth proportional to 256,604.91, 354,108.48 and 141,880.53 is: 195,791.65
Step by Step Solution
- Step 1: Write the proportion equation
256,604.91 : 354,108.48 = 141,880.53 : x - Step 2: Convert to fraction form
256,604.91/354,108.48 = 141,880.53/x - Step 3: Cross multiply
256,604.91x = 354,108.48 × 141,880.53 - Step 4: Simplify right side
256,604.91x = 50,241,098,819.89 - Step 5: Solve for x
x = 50,241,098,819.89/256,604.91 - Step 6: Final answer
x = 195,791.65
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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.