Finding the Fourth Proportional to 283,605.12, 391,370.05 and 154,544.73
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Solution
The fourth proportional to 283,605.12, 391,370.05 and 154,544.73 is: 213,268.99
Step by Step Solution
- Step 1: Write the proportion equation
283,605.12 : 391,370.05 = 154,544.73 : x - Step 2: Convert to fraction form
283,605.12/391,370.05 = 154,544.73/x - Step 3: Cross multiply
283,605.12x = 391,370.05 × 154,544.73 - Step 4: Simplify right side
283,605.12x = 60,484,178,765.02 - Step 5: Solve for x
x = 60,484,178,765.02/283,605.12 - Step 6: Final answer
x = 213,268.99
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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.