Finding the Fourth Proportional to 419,593.91, 629,445.74 and 153,479.75
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Solution
The fourth proportional to 419,593.91, 629,445.74 and 153,479.75 is: 230,239.69
Step by Step Solution
- Step 1: Write the proportion equation
419,593.91 : 629,445.74 = 153,479.75 : x - Step 2: Convert to fraction form
419,593.91/629,445.74 = 153,479.75/x - Step 3: Cross multiply
419,593.91x = 629,445.74 × 153,479.75 - Step 4: Simplify right side
419,593.91x = 96,607,170,899.14 - Step 5: Solve for x
x = 96,607,170,899.14/419,593.91 - Step 6: Final answer
x = 230,239.69
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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.