Finding the Fourth Proportional to 325,361.18, 487,860.71 and 100,659.08
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Solution
The fourth proportional to 325,361.18, 487,860.71 and 100,659.08 is: 150,932.60
Step by Step Solution
- Step 1: Write the proportion equation
325,361.18 : 487,860.71 = 100,659.08 : x - Step 2: Convert to fraction form
325,361.18/487,860.71 = 100,659.08/x - Step 3: Cross multiply
325,361.18x = 487,860.71 × 100,659.08 - Step 4: Simplify right side
325,361.18x = 49,107,607,294.15 - Step 5: Solve for x
x = 49,107,607,294.15/325,361.18 - Step 6: Final answer
x = 150,932.60
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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.