Finding the Fourth Proportional to 252,829.62, 348,453.68 and 191,428.70
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Solution
The fourth proportional to 252,829.62, 348,453.68 and 191,428.70 is: 263,829.97
Step by Step Solution
- Step 1: Write the proportion equation
252,829.62 : 348,453.68 = 191,428.70 : x - Step 2: Convert to fraction form
252,829.62/348,453.68 = 191,428.70/x - Step 3: Cross multiply
252,829.62x = 348,453.68 × 191,428.70 - Step 4: Simplify right side
252,829.62x = 66,704,032,273.20 - Step 5: Solve for x
x = 66,704,032,273.20/252,829.62 - Step 6: Final answer
x = 263,829.97
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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.