Finding the Fourth Proportional to 254,991.11, 351,873.88 and 140,251.23
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Solution
The fourth proportional to 254,991.11, 351,873.88 and 140,251.23 is: 193,539.08
Step by Step Solution
- Step 1: Write the proportion equation
254,991.11 : 351,873.88 = 140,251.23 : x - Step 2: Convert to fraction form
254,991.11/351,873.88 = 140,251.23/x - Step 3: Cross multiply
254,991.11x = 351,873.88 × 140,251.23 - Step 4: Simplify right side
254,991.11x = 49,350,744,124.24 - Step 5: Solve for x
x = 49,350,744,124.24/254,991.11 - Step 6: Final answer
x = 193,539.08
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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.