Finding the Fourth Proportional to 351,445.44, 485,029.44 and 200,565.12
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Solution
The fourth proportional to 351,445.44, 485,029.44 and 200,565.12 is: 276,799.69
Step by Step Solution
- Step 1: Write the proportion equation
351,445.44 : 485,029.44 = 200,565.12 : x - Step 2: Convert to fraction form
351,445.44/485,029.44 = 200,565.12/x - Step 3: Cross multiply
351,445.44x = 485,029.44 × 200,565.12 - Step 4: Simplify right side
351,445.44x = 97,279,987,837.13 - Step 5: Solve for x
x = 97,279,987,837.13/351,445.44 - Step 6: Final answer
x = 276,799.69
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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.