Finding the Fourth Proportional to 513,337.87, 769,463.81 and 193,351.28
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Solution
The fourth proportional to 513,337.87, 769,463.81 and 193,351.28 is: 289,822.40
Step by Step Solution
- Step 1: Write the proportion equation
513,337.87 : 769,463.81 = 193,351.28 : x - Step 2: Convert to fraction form
513,337.87/769,463.81 = 193,351.28/x - Step 3: Cross multiply
513,337.87x = 769,463.81 × 193,351.28 - Step 4: Simplify right side
513,337.87x = 148,776,814,500.84 - Step 5: Solve for x
x = 148,776,814,500.84/513,337.87 - Step 6: Final answer
x = 289,822.40
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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.