Finding the Fourth Proportional to 254,724.87, 351,523.97 and 140,014.14
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Solution
The fourth proportional to 254,724.87, 351,523.97 and 140,014.14 is: 193,221.52
Step by Step Solution
- Step 1: Write the proportion equation
254,724.87 : 351,523.97 = 140,014.14 : x - Step 2: Convert to fraction form
254,724.87/351,523.97 = 140,014.14/x - Step 3: Cross multiply
254,724.87x = 351,523.97 × 140,014.14 - Step 4: Simplify right side
254,724.87x = 49,218,326,348.94 - Step 5: Solve for x
x = 49,218,326,348.94/254,724.87 - Step 6: Final answer
x = 193,221.52
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1.5x scale
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.