Finding the Fourth Proportional to 517,361.58, 775,108.44 and 217,305.18
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Solution
The fourth proportional to 517,361.58, 775,108.44 and 217,305.18 is: 325,565.50
Step by Step Solution
- Step 1: Write the proportion equation
517,361.58 : 775,108.44 = 217,305.18 : x - Step 2: Convert to fraction form
517,361.58/775,108.44 = 217,305.18/x - Step 3: Cross multiply
517,361.58x = 775,108.44 × 217,305.18 - Step 4: Simplify right side
517,361.58x = 168,435,079,073.72 - Step 5: Solve for x
x = 168,435,079,073.72/517,361.58 - Step 6: Final answer
x = 325,565.50
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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.