Finding the Fourth Proportional to 285,330.02, 393,759.84 and 156,266.12
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Solution
The fourth proportional to 285,330.02, 393,759.84 and 156,266.12 is: 215,649.66
Step by Step Solution
- Step 1: Write the proportion equation
285,330.02 : 393,759.84 = 156,266.12 : x - Step 2: Convert to fraction form
285,330.02/393,759.84 = 156,266.12/x - Step 3: Cross multiply
285,330.02x = 393,759.84 × 156,266.12 - Step 4: Simplify right side
285,330.02x = 61,531,322,408.62 - Step 5: Solve for x
x = 61,531,322,408.62/285,330.02 - Step 6: Final answer
x = 215,649.66
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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.