Finding the Fourth Proportional to 283,631.96, 391,431.46 and 173,297.84
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Solution
The fourth proportional to 283,631.96, 391,431.46 and 173,297.84 is: 239,162.85
Step by Step Solution
- Step 1: Write the proportion equation
283,631.96 : 391,431.46 = 173,297.84 : x - Step 2: Convert to fraction form
283,631.96/391,431.46 = 173,297.84/x - Step 3: Cross multiply
283,631.96x = 391,431.46 × 173,297.84 - Step 4: Simplify right side
283,631.96x = 67,834,226,526.05 - Step 5: Solve for x
x = 67,834,226,526.05/283,631.96 - Step 6: Final answer
x = 239,162.85
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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.