Finding the Fourth Proportional to 252,800.45, 379,282.68 and 75,308.99
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Solution
The fourth proportional to 252,800.45, 379,282.68 and 75,308.99 is: 112,987.92
Step by Step Solution
- Step 1: Write the proportion equation
252,800.45 : 379,282.68 = 75,308.99 : x - Step 2: Convert to fraction form
252,800.45/379,282.68 = 75,308.99/x - Step 3: Cross multiply
252,800.45x = 379,282.68 × 75,308.99 - Step 4: Simplify right side
252,800.45x = 28,563,396,503.50 - Step 5: Solve for x
x = 28,563,396,503.50/252,800.45 - Step 6: Final answer
x = 112,987.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.