Finding the Fourth Proportional to 254,479.44, 381,739.18 and 67,490.94
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Solution
The fourth proportional to 254,479.44, 381,739.18 and 67,490.94 is: 101,241.72
Step by Step Solution
- Step 1: Write the proportion equation
254,479.44 : 381,739.18 = 67,490.94 : x - Step 2: Convert to fraction form
254,479.44/381,739.18 = 67,490.94/x - Step 3: Cross multiply
254,479.44x = 381,739.18 × 67,490.94 - Step 4: Simplify right side
254,479.44x = 25,763,936,093.03 - Step 5: Solve for x
x = 25,763,936,093.03/254,479.44 - Step 6: Final answer
x = 101,241.72
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.