Finding the Fourth Proportional to 428,817.56, 591,759.42 and 237,800.12
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Solution
The fourth proportional to 428,817.56, 591,759.42 and 237,800.12 is: 328,159.28
Step by Step Solution
- Step 1: Write the proportion equation
428,817.56 : 591,759.42 = 237,800.12 : x - Step 2: Convert to fraction form
428,817.56/591,759.42 = 237,800.12/x - Step 3: Cross multiply
428,817.56x = 591,759.42 × 237,800.12 - Step 4: Simplify right side
428,817.56x = 140,720,461,087.13 - Step 5: Solve for x
x = 140,720,461,087.13/428,817.56 - Step 6: Final answer
x = 328,159.28
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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.