Finding the Fourth Proportional to 420,293.50, 629,884.74 and 153,797.44
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Solution
The fourth proportional to 420,293.50, 629,884.74 and 153,797.44 is: 230,492.88
Step by Step Solution
- Step 1: Write the proportion equation
420,293.50 : 629,884.74 = 153,797.44 : x - Step 2: Convert to fraction form
420,293.50/629,884.74 = 153,797.44/x - Step 3: Cross multiply
420,293.50x = 629,884.74 × 153,797.44 - Step 4: Simplify right side
420,293.50x = 96,874,660,507.07 - Step 5: Solve for x
x = 96,874,660,507.07/420,293.50 - Step 6: Final answer
x = 230,492.88
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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.