Finding the Fourth Proportional to 254,866.97, 351,717.80 and 140,153.02
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Solution
The fourth proportional to 254,866.97, 351,717.80 and 140,153.02 is: 193,411.92
Step by Step Solution
- Step 1: Write the proportion equation
254,866.97 : 351,717.80 = 140,153.02 : x - Step 2: Convert to fraction form
254,866.97/351,717.80 = 140,153.02/x - Step 3: Cross multiply
254,866.97x = 351,717.80 × 140,153.02 - Step 4: Simplify right side
254,866.97x = 49,294,310,277.70 - Step 5: Solve for x
x = 49,294,310,277.70/254,866.97 - Step 6: Final answer
x = 193,411.92
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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.