Finding the Fourth Proportional to 259,354.26, 357,908.58 and 140,122.26
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Solution
The fourth proportional to 259,354.26, 357,908.58 and 140,122.26 is: 193,368.56
Step by Step Solution
- Step 1: Write the proportion equation
259,354.26 : 357,908.58 = 140,122.26 : x - Step 2: Convert to fraction form
259,354.26/357,908.58 = 140,122.26/x - Step 3: Cross multiply
259,354.26x = 357,908.58 × 140,122.26 - Step 4: Simplify right side
259,354.26x = 50,150,959,102.99 - Step 5: Solve for x
x = 50,150,959,102.99/259,354.26 - Step 6: Final answer
x = 193,368.56
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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.